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Original publicity center, Zhejiang University Children’s Hospital of Pediatrics Department

"The child was hospitalized for pneumonia several times this year.

I really don’t want to experience it again … "

"I get nervous when I see him coughing."

In winter, the temperature changes greatly, and respiratory diseases gradually enter a period of high incidence. Unfortunately, bacteria, viruses and mycoplasma can’t be prevented. Many parents have already started to feel anxious ahead of time, and they have said that their children have been accidentally recruited several times this year, which is really scary.

After many inquiries, I heard that the vaccine is effective in preventing pneumonia, but many parents still have doubts about it.

"In response to pneumonia in children, vaccines are indeed the key." Ji Chai, deputy director of the Children’s Health Department of Zhejiang University Children’s Hospital, said, "All kinds of infectious sources such as viruses, bacteria, fungi and mycoplasma can cause pneumonia. The more common pathogens are influenza virus, respiratory syncytial virus, adenovirus, streptococcus pneumoniae, Haemophilus influenzae type B (Hib), mycoplasma pneumoniae and so on. At present, there are corresponding vaccines for influenza virus, Streptococcus pneumoniae and Haemophilus influenzae type B (Hib), which can help children establish an immune barrier against these three pathogens and effectively reduce the probability of severe illness. "

So, which children need to be vaccinated? Is it necessary to vaccinate them all? How to choose a variety of influenza vaccines, pneumonia vaccine and Hib vaccines? When is the best time for vaccination? We specially invited Deputy Chief Physician Ji Chai to answer the questions of parents in detail.

Ji Chai, Deputy Director of Child Health Department, Deputy Chief Physician.

Specialty: Follow-up of high-risk infants, immunization consultation and follow-up of children with William syndrome.

Research fields: nutrition and development monitoring of premature infants, phenotype and gene related research of William syndrome, and safety and effectiveness of vaccination for children with special health conditions.

Outpatient time: Wednesday and Friday morning, Thursday afternoon (lakeside campus)

01

What is the principle of vaccine?

Vaccine is a preventive biological product made of pathogenic microorganisms (such as bacteria, viruses, etc.) and their metabolites by artificial attenuation, inactivation or transgenic methods to prevent infectious diseases. The vaccine retains the characteristic that pathogenic microorganisms stimulate human immune system, that is, immunogenicity. When people are vaccinated, the immune system will produce certain protective substances, such as immunocompetent substances and corresponding antibodies. When the human body comes into contact with the corresponding pathogenic microorganisms again, the protective substances produced will play a role in preventing the harm of pathogenic microorganisms to the human body.

02

Which children suggested playing?

Influenza vaccine/pneumonia vaccine /Hib vaccine?

Influenza vaccine: Influenza is different from common cold. It is an acute respiratory infectious disease caused by influenza virus, which is very harmful to human health. People are generally susceptible to influenza virus, and timely influenza vaccination is an effective means of prevention.

If children over 6 months old have no contraindications to vaccines, it is recommended to get the flu vaccine.

Pneumonia vaccine: Pneumococcal infectious disease is one of the common diseases. According to the survey, the incidence of pneumonia caused by Streptococcus pneumoniae in children and the elderly over 60 years old is three times that of young people, and about 2.5 million people suffer from pneumococcal pneumonia every year.

Pneumococcus is widely distributed in nature, and it is a typical opportunistic pathogen, mainly transmitted directly by respiratory droplets or infected by colonization bacteria. 30% or more healthy people will carry pneumococcus in the nasopharynx without getting sick, but when the body’s resistance drops, pneumococcus is easy to take advantage of it and cause serious diseases such as pneumococcal pneumonia, otitis media, meningitis and septicemia.

Children under 5 years old, especially infants under 2 years old, are particularly vulnerable to this pathogen because their autoimmune function is not yet fully developed. Secondly, the elderly over 65 years old and people with low immunity are also high-risk and susceptible groups of pneumococcal diseases.

Hib vaccine: Hib is a common pathogen in respiratory tract, which is mainly transmitted directly through droplets. After infection, it can not only cause non-bacteremia pneumonia, otitis media, sinusitis and conjunctivitis, but also lead to invasive diseases, mainly manifested as meningitis, pneumonia, bacteremia, cellulitis and other multi-system and multi-site infections. In 2000, Haemophilus influenzae infection caused 371,000 deaths worldwide, most of which were children under 5 years old.

According to epidemiological studies, Hib mainly invades children under 5 years old and infants, especially infants under 18 months old, and the peak incidence is concentrated in 6-12 months old. Hib vaccine is suitable for children from 2 months to 5 years old. Vaccination with this vaccine can effectively reduce pneumonia, meningitis and even death caused by Haemophilus influenzae infection in children.

It should be noted that both the pentavaccine and the quadruple vaccine contain Hip vaccine, so there is no need for repeated vaccination.

03

Multi-influenza vaccine/pneumonia vaccine /Hib vaccine

What is the difference?

Influenza vaccine: tetravalent influenza vaccine, compared with the original trivalent influenza vaccine, has one more influenza virus strain to prevent, and besides influenza A H1N1, H3N2 and BV strains of trivalent influenza vaccine, there is also one more influenza B BY strain.

The tetravalent influenza vaccine suitable for 6 -35 months old brings more comprehensive protection against influenza virus to infants in the younger age group, and two doses are required, with an interval of 4 weeks.

Pneumonia vaccine: pneumonia vaccine mainly includes two kinds: 13-valent pneumococcal polysaccharide conjugate vaccine and 23-valent pneumococcal polysaccharide vaccine. It can prevent pneumonia and related infections caused by 13 and 23 corresponding serotypes of Streptococcus pneumoniae infection respectively.

The prevention scope of the two vaccines is different from that of the vaccinated population: 13-valent pneumonia vaccine can prevent pneumonia caused by 13 serotypes of Streptococcus pneumoniae, such as 1, 3, 7F and 9V; The range of prevention of 23-valent pneumonia vaccine is relatively wide, which can prevent pneumonia caused by 23 serotypes of Streptococcus pneumoniae. However, the 23-valent vaccine is a polysaccharide vaccine, and the immune response of children under 2 years old to polysaccharide antigen is weak, so the 23-valent vaccine can not protect them.

At present, the 13-valent pneumonia vaccine is mainly suitable for infants and children from 6 weeks to 5 years old; The 23-price pneumonia vaccine is suitable for children and adults over two years old.

Hib vaccine: Haemophilus influenzae type B conjugate vaccine There are three other conjugate vaccines at present, including acellular DTaP-Hib, adsorbed acellular DTP inactivated polio and Haemophilus influenzae type B conjugate vaccine (DTaP-IPV/Hib), and AC group meningococcal polysaccharide (conjugate)-Haemophilus influenzae type B conjugate vaccine (conjugate).

04

How long is the validity period of influenza vaccine/pneumonia vaccine /Hib vaccine?

Do I need to call every year?

The flu vaccine needs to be given every year. On the one hand, the epidemic subtype of influenza virus changes every year, and it is easy to mutate. Last year’s vaccine may not be able to resist this year’s virus subtype well.

On the other hand, the protective antibodies produced after vaccination can last for 6 ~ 8 months, and will gradually weaken over time. Only by vaccination every year can we obtain continuous immunity.

For children, pneumonia vaccine and Hib vaccines don’t need to be vaccinated every year, just complete the prescribed vaccination procedures according to the corresponding instructions.

05

Influenza vaccine/pneumonia vaccine /Hib vaccine

Is it necessary to call them all?

It is necessary. At present, these three kinds of vaccines belong to vaccines outside the national immunization program and are vaccinated voluntarily, so the vaccination rate of the population is still very low, and the population is generally susceptible. If there are no contraindications, vaccination is recommended.

06

Have been infected with influenza virus/Streptococcus pneumoniae/

Haemophilus influenzae type B, do you still need a vaccine?

You still need to be vaccinated. Because these three pathogens have different serotypes, each infection is only one of them, and it is impossible to produce protective antibodies against all serotypes after infection, and the vaccine contains a variety of common susceptible serotypes, which has a wide range of protection, so it is suggested that the corresponding vaccine should still be vaccinated after infection.

07

Can influenza vaccine/pneumonia vaccine /Hib vaccine be vaccinated at the same time?

These three vaccines are inactivated vaccines, which are out of the national immunization program, and can be vaccinated at the same time in principle.

08

When is the best time to get vaccinated,

Is it too late to call now?

Influenza vaccine does not take effect immediately after vaccination, and it takes 2-4 weeks to produce protective antibodies. Generally speaking, November-December is the high season of influenza every year, so September-October is the best vaccination time. Of course, the baby can still be vaccinated at any stage of the epidemic season, which can produce protection.

Pneumonia vaccine: The best age for 13-valent pneumonia vaccine is 6 weeks after birth, and for 23-valent pneumonia vaccine, it is 2 years old. If you need to vaccinate again, you need to wait five years.

Hib vaccine: The best age for vaccination is 2 months after birth.

09

Can you prevent pneumonia 100% after vaccination?

That’s not true. Although the vaccine can prevent most people from being infected, the protection rate cannot reach 100%, which is related to the characteristics of the vaccine itself and the personal physique of the recipient. The vaccine can only prevent specific pathogens.

10

Which children can’t get this kind of vaccine?

(1) Those who are allergic to any ingredients contained in the vaccine (including auxiliary materials, formaldehyde, cracking agents and antibiotics) are prohibited from vaccination. Egg allergy is not recommended as a taboo for influenza vaccination.

(2) Patients with mild to moderate acute diseases with or without fever symptoms should be vaccinated after the symptoms subside.

* (For details, please refer to different vaccine instructions or the special clinic for immunization consultation in the lakeside campus of Zhejiang University Children’s Hospital, Tuesday afternoon, Wednesday and Thursday morning. )

In addition, there are still some contraindications and caution in vaccination. Parents should inform the doctor of the child’s medical history, allergy history and medication history before taking their children for vaccination.

Read the original text

1905 movie network news On the first day of the lunar new year, the crowds compete for the deer! A number of Spring Festival blockbusters were officially released, covering science fiction, suspense, comedy, history, animation, fantasy and other types. The China film market is very lively.

According to the data of Lighthouse Professional Edition, as of 16: 48 on January 22, 2023, the total box office (including pre-sales) of the Spring Festival in 2023 exceeded 1.5 billion, temporarily ranking first, ranking second and third. "Bear haunt, accompany me" bear core "followed closely. Among them, "Wandering Earth 2" and "Man Jiang Hong" all exceeded 400 million at the box office.

The sci-fi movie "Wandering Earth 2" hit hard again after four years, with extraordinary strength. At present, the box office of the film has exceeded 400 million, which has set 14 records, including the box office on the opening day of science fiction films in the past three years. The film "Wandering Earth 2" revolves around the prequel, and the original team gathers again, enriching the world outlook with a broader vision.

The director’s new film "Man Jiang Hong" followed closely, temporarily ranking second in the box office list of the Spring Festival file. The script of "Man Jiang Hong" has been polished for nearly five years, focusing on the little people in trouble and completing the narrative goal of the film in constant plot reversal, which is another exploration of the theme of "feelings for home and country" expressed by director Zhang Yimou after the Winter Olympics.

Ranked third in the list is the movie "Nobody" starring,, and so on, which currently has a total box office of 180 million. "Nobody" combines elements of spy war and suspense, and shows the audience the thrilling daily fighting of underground workers through a little-known perspective.

　

The old friend of the Spring Festival file "Bear Haunted with Me" Bear Core "has played a stable role and is the first choice for many friends of all ages to watch movies during the holidays. At present, the total box office is 160 million. "Bear haunts with me" Bear Heart "focuses on the eternal theme of love and affection, calls for realistic companionship with sci-fi imagination, and allows the audience to look back warmly while watching the movie.

The comedy films "Exchange of Life" and "Deep Sea" starring are temporarily ranked fifth and sixth respectively. As of press time, the total box office of "Exchange of Life" has exceeded 100 million. The film is the re-cooperation between the director and Lei Jiayin, and it is also Zhang Xiaofei’s return to the Spring Festival file after its excellent reputation, which makes people look forward to it.

"Deep Sea" is the director’s new work. At present, the total box office has exceeded 80 million yuan. The film innovatively developed "particle ink painting" technology, which made the world see the Chinese style again.

In addition, the film to be released on the third day of the Lunar New Year is being screened and pre-sold, focusing on the box office in the second half of the Spring Festival.

In the Spring Festival of 2023, seven blockbusters gathered, gathering a large number of directors and actors with box office appeal, meeting the viewing needs of different audiences, offering a wonderful cultural feast for everyone, stimulating the vitality of China’s film market and boosting the confidence of cinema lines.

　　Poster of My People My Homeland, Legend of Deification and Leap

　　My People My Homeland, Legend of Deification, Leap and other "National Day Files" movies have been released in many theaters; The TV series Diplomatic Storm has been distributed to North America, Africa, Indonesia and other countries and regions, and will land in 26 countries … … Recently, a number of domestic film and television works have "gone to sea" one after another, which once again attracted the attention of many overseas audiences. While gaining fans and word of mouth, they reflected the rapid development of China society from many angles, displayed the excellent Chinese culture and further made the world know more about China.

　　Accelerating "Going to Sea" and Promoting Communication and Empathy

　　In recent years, the pace of domestic film and television "going out to sea" has been accelerating. In 2019, The Wandering Earth was released simultaneously in overseas markets such as North America and Australia, making it the best American film at the box office in North China in the past five years. In addition, Wolf Warriors 2, Operation Red Sea’s Detective Story of Chinatown 2, which was also released overseas, has gained a lot of praise from overseas audiences for its diverse themes and excellent production.

　　These excellent domestic films not only reflect the continuous improvement of China’s film industrialization level and the continuous maturity and perfection of the film industry ecology, but also deepen the communication between different cultures in a subtle way and promote the emotional resonance among the people.

　　Ding Yaping, director of the Institute of Film and Television Art of the Chinese Academy of Art, believes that only with a unique humanistic temperament can China’s film and television works truly gain a foothold in the international market. Overseas moviegoers are not satisfied with the simple understanding of some cultural elements in China, but are eager to further understand and explore the deep spiritual core and cultural heritage of China culture. Therefore, the successful cases of overseas communication all tell the story of China, show the unique spiritual outlook of Chinese, and highlight the heavy background of China culture among the common values of mankind.

　　In addition to domestic movies, domestic dramas have also shown gratifying results in "going out". According to the data, TV plays have accounted for more than 70% in the international trade of TV programs in China, far exceeding other program forms, and have been exported to more than 200 countries and regions around the world.

　　In Africa, TV dramas such as nirvana in fire, A Little Separation and Ode to Joy have been translated into local languages and broadcast in many countries. In Southeast Asia, The Journey to the West, a Burmese dubbing version of A Dream of Red Mansions, and Defense of Marriage have been broadcast one after another … … Whether it is a family drama reflecting the modern urban life in China or a classic work showing Chinese traditional culture, it has been welcomed locally and gained a large number of overseas "iron powder".

　　In addition, with the continuous development of streaming media technology and platform, overseas video websites have also purchased the copyright of China TV series, and overseas netizens have "urged online". Among them, The Longest Day In Chang’an also launched in North America in the form of "paid content", which is the first time that domestic dramas of "Going to Sea" have entered the monthly payment area of overseas platforms.

　　Strive to "get out of the circle" with both story and communication.

　　"Little Separation" The Longest Day In Chang’an "nirvana in fire" poster

　　With the development of globalization and closer communication between countries, it is increasingly normal for domestic excellent film and television works to "go out to sea". How to tell the story of China in international expressions? What kind of works are more likely to be "out of the circle" overseas? It has become the focus of attention in the industry.

　　"By analyzing films that have been successful in overseas markets, we can find some rules." At the recent 2020 "Golden Panda" International Communication Summit Forum, La Peikang, vice chairman of the China Film Association, said that it is necessary to tell a wonderful story of China that can be accepted by foreigners; Must have enough commercial elements, such as spectacular special effects technology, scene presentation, and advanced narrative and shooting techniques; In addition, there must be brand influence.

　　Zhang Tongdao, a professor at Beijing Normal University, believes that in order to really do a good job in international communication, it needs to be placed in the international coordinate system, so as to better cross cultural barriers and arouse empathy.

　　Regarding the expression of film and television, Rao Shuguang, president of the China Film Critics Association, said, "The so-called empathy means that when we tell it, we should make others willing to listen, so that others can have this resonance. It is necessary to use really good story details, and then use aesthetics and expression to attract and infect the audience. "

　　In the future, what are the innovative modes of overseas communication of domestic film and television? In Ding Yaping’s view, at present, the development of Internet technology has brought about a communication revolution. In addition to the traditional forms, China film and television works can also choose different channels to "go out to sea" and go abroad through the Internet to realize online and offline simultaneous broadcasting and screening.

　　Ding Yaping believes that the "internet plus" model will become a trend in the future. Under this background, China’s film and television creation should also keep pace with the times, start to study the viewing needs of overseas Internet users, and show a more stereoscopic and real image of China through various channels.

　　[Cultural and Creative Horizon]

　　How do domestic films win audiences with fine products?

　　— — Film market survey in the first half of 2017

　　Guangming Daily reporter Villi

　　According to the latest data, the national box office revenue in the first half of the year totaled 27.17 billion yuan, including 16.71 billion yuan for imported films and 10.456 billion yuan for domestic films. What are the new features of China’s film box office? Why are domestic films inferior to imported films? How should the structural reform of China’s film supply side be promoted? The reporter conducted an investigation for this.

　　ⅰ. The game between domestic and imported domestic films accounted for only 38.5% of the box office.

　　Data In the first half of 2017, the box office of imported films totaled 16.717 billion yuan, and the box office of domestic films was 10.456 billion yuan. In the first half of 2017, the box office of imported films accounted for 61% of the domestic box office. Among them, there are 41 films with box office exceeding 100 million, 17 domestic films and 24 imported films.

　　Specifically, Speed and Passion 8 ranked first at the box office in the first half of the year with 2.49 billion yuan, and Kung Fu Yoga ranked second with 1.75 billion yuan.

　　In the first half of the year, domestic films with strong box office performance were basically concentrated in the Spring Festival file, and then the market leader was domestic films. In addition to the Spring Festival movies, the lack of "explosions" is an important reason why domestic movies are not satisfactory in recent months.

　　Domestic films are not as good as imported films at the box office, especially in March this year. In March, no domestic film grossed more than 100 million yuan, and the market share of imported films reached an astonishing 95.5%, completely monopolizing the mainland film market. In the following months, imported films have been the main box office. At present, among the top ten annual box office, only three domestic films, Kung Fu Yoga, Journey to the West, and Riding the Wind and Waves, occupy three seats.

　　Judging from the distribution of the overall box office interval, the number of films exceeding 500 million yuan in 2017 is very eye-catching, and the number of films exceeding 1 billion yuan reached 8 in the first half of the year, which is close to the achievement of 9 films in 2016 and much higher than the overall level in 2015, 2014 and 2013. This shows that there are many "heavyweight" products in this year’s film, and the performance is particularly eye-catching.

　　According to industry experts, another reason affecting the overall box office in the first half of the year is the asymmetry between the number and the single box office performance. In 2017, the fantasy genre took the lead with 470 million yuan, followed by action movies with 420 million yuan. Among the domestic films released, the top three types were comedy, thriller and love. As an action and science fiction film with obvious pull-up effect, subsequent domestic films need to make more efforts.

　　Not long ago, a movie "Transformers 5: The Last Knight" kicked off the summer movie file in 2017. Facing the upcoming summer file, domestic films are eager to try, and domestic and imported films will usher in a new round of game.

　　Ⅱ. Race between Speed and Quality. The effectiveness of film supply in China needs to be improved urgently.

　　Data The box office of Chinese movies was in 2003— During 2010, it took 8 years to increase from 900 million yuan to 10 billion yuan; It took three years to grow from 10 billion yuan to 20 billion yuan; From 20 billion yuan to 40 billion yuan, it only took two years. The growth of demand has led to the rapid growth of domestic films. In recent years, the number of domestic films has grown from less than 100 to more than 900, and the number of screens has grown from more than 3,000 to more than 40,000, with a rapid growth rate.

　　From a certain perspective, speed and quality are inherently a contradiction. While seeking speed, quality growth is easily overlooked.

　　"In 2016, the domestic box office was 45.7 billion yuan, and the overall box office growth slowed down, increasing by 3.7% year-on-year. In 2016, there was a negative growth in seven months. The first half of this year is coming to an end, and the growth of box office in China is still in a stalemate, especially from 3 to 3— — In May, overseas imported films occupied an absolute advantage, taking away more than 70% of the box office in March, April and May respectively. " Ren Zhonglun, Chairman and President of Shanghai Film Group, pointed out that the data shows that the demand for China films is growing, the supply is growing faster, and the availability of supply is declining.

　　2017— According to the Analysis Report on the Present Situation and Development Prospect of China Film Industry in 2022, in 2016, there were 1,612 new cinemas and 9,552 new screens in China. In 2016, the total number of screens in China has reached 41,179, surpassing the United States to become the country with the largest number of movie screens in the world.

　　The number of movies in China has increased, and the scale of cinemas has expanded, but the satisfaction of the audience and the satisfaction of demand have been reduced.

　　There is no increase, in fact, the efficiency of each cinema is also declining. How to speak with content and how to keep the audience in their seats with good stories has become an important issue and test for industrial development.

　　Experts pointed out that at present, domestic films mainly face three problems: one is the availability and quality of supply, the other is that the types are not diverse enough, and the most important thing is the lack of film and television works that can impress people and resonate with everyone.

　　"Socialist films with China characteristics should be made in Do not forget your initiative mind, and the excellent historical tradition, cultural accumulation and basic national conditions of China films should not be forgotten. The film should spread progressive ideas, inspire people and improve the quality of the Chinese nation. This is the initial intention of the film. " Chengxiang Zhong, the former vice chairman of the China Federation of Literary and Art Circles and a famous literary critic, pointed out at the film "Home" seminar a few days ago that we have shot a large number of films with major themes, but most of them are not aesthetically pleasing and artistic, so they cannot infect people or attract people. Without attraction and appeal, they lack communication power.

　　"China movies are not short of stories at first, nor are we unable to tell stories. I think stories and cultural creation have always been China’s strengths." Ren Zhonglun said that we are short of good scripts, talents and directors, and our comprehensive ability needs to be improved.

　　In the view of Jiang Wei, executive director of Gravitation Film and Television, it is not urgent to be a content industry: "If you invest in movies or content, if a fast-forward and fast-out method may not be suitable for this industry, this industry still needs to sink down and make a movie. Good things are made, not robbed. "

　　Ⅲ. Paradox between Great Powers and Powerful Countries; Domestic films should achieve breakthroughs with fine products.

　　Data In 2016, the total number of domestic films was 944, and 334 films were shown in cinemas. However, only 15 films scored more than 7 on Douban, and the film industry in China needs a "tempering". In 2016, China only watched movies once per capita, while North America saw 3.7 times. China has 30 screens per million people, while North America has 121 screens.

　　Faced with the growth of cinema and box office market, many people ask whether the number of movie screens in China is saturated.

　　"It is too early to talk about saturation at this point in time." Yu Xin, general manager of Dadi Cinema Group, pointed out that there is still a lot of room for growth in the number of screens and box office market in China in the future. We have just passed a rapid growth period and will enter a stable and relatively mature growth period, which has caused a mismatch between supply and demand.

　　After sturm und drang in the past few years, the film industry in China ushered in a turning point in 2016, with the growth rate dropping to single digits, and the once frenetic development instantly fell to freezing point. Correspondingly, the stock price of individual stocks in the film and television industry has collapsed, and film and television capital has entered a cold winter.

　　Ren Zhonglun believes that the cold winter of the film and television industry is due to the problems of shoddy production, single type and capital drive, and the lack of Wrestling! Dad, a movie that really touches people’s hearts and resonates. "Our supply has been growing, but the effectiveness of supply is declining. What we need to think about is how to improve the quality, effectiveness and rationality of the film supply structure, and how to make the film industry in China ‘ Pain point ’ Become ‘ Highlight ’ 。” Ren Zhonglun said.

　　Ren Zhonglun takes a set of data as an example to analyze. In 2016, the total number of domestic film productions reached 944, only one step away from the annual output of 1,000. Among them, 334 were shown in the cinema. China is already a big movie country, but "big" doesn’t mean "strong", and it lacks high-quality movies that can really satisfy the audience and classic works that can be remembered by the audience.

　　"Domestic films should respect the audience." Wang Zhonglei, vice chairman and CEO of Huayi Brothers, said that movie audiences in China are not young people who just want to entertain and don’t think, as described in big data. Their taste and judgment have been improved rapidly in recent years. Facing the slowdown of box office growth and the pressure of overseas blockbusters, there is only one way for China films to make a breakthrough, that is, to produce truly high-quality films and meet the demand of China film audiences for good films.

　　Guangming Daily (July 9, 2017, 07 edition)

April 28th this year is He Jiong’s 46th birthday, and it is also the annual release date of He Bang. Yesterday, # Who can get the No.1 on the list # got a hot search and became an online carnival with interactive star fans.

The so-called "He Bang", originally an easy term for rice circles, refers to the ranking of hot comments made by fans who helped their loved beans under Weibo on He Jiong’s birthday. Because it can directly reflect the real fan voice of the star, "He Bang" has become a witness to the change of entertainment flow in a certain sense.

By 2019, the total number of fans of entertainment stars on Weibo has reached nearly 20 billion. When the number of users is large enough and the fan economy is maturing, stars, fans, support and socialization are constantly colliding with new ways of playing.

Weibo is still the first platform for star powder interaction.

Every year, most entertainment circles celebrate He Jiong’s birthday. In He Laoshi’s comment area of Weibo on the same day, all kinds of traffic will meet, and fans will join the army of comments. The "He Bang" is comparable to the touchstone of entertainment popularity.

Similar to netizens calling for Shanzheng’s brother and Jiefan’s "sunset red group building" in Jay Chou, He Bang is another online social activity organized by fans spontaneously because of stars, which finally set off phenomenal network events. With the maturity of the pink circle culture and the participation of pan-entertainment users, new ways of interaction between stars and fans are constantly emerging.

According to statistics, the total number of fans of entertainment stars in Weibo has maintained rapid growth in the past three years: 12.8 billion in 2017, 16.7 billion in 2018 and 19.2 billion in 2019.

Weibo, as the largest open social platform, not only attracts stars to settle in, but also attracts their fans. 90% of the head stars have support clubs to open online support in Weibo, and there are 2,485 blue V certified support clubs. Among them, 30% are only in idolize, Weibo platform, and have never settled in other social products. In addition, there are 14,215 orange V certified fan stations and KOL.?

In addition to the fan base, Weibo has a large number of pan-entertainment users who are also willing to participate in the star-powder interaction and experience the fan play. As of June 2019, the number of celebrity classified super-words reached 180 million.

Xu Zhengchao and Jay Chou Chao who caused phenomenal network events (deadline: 21: 40 on April 29th).

Especially since the "Idol Year" in 2018, popular draft players represented by KUN and fans have formed a very sticky relationship with each other in Weibo through various forms of interaction, such as becoming iron powder, helping the star power list, editing and submitting videos. Idols also strengthened their popularity through Weibo after the draft and continued to suck powder.

These data show that Weibo is still firmly on the first platform of fan economy and star fan interaction. Online collective activities such as He Bang and other stars and fans can only take place on the Weibo platform.

"He Bang" forwarding area at 21: 40 on April 29th.

Why can only He Jiong’s birthday form a list?

In the domestic entertainment circle, He Jiong is unique. On the one hand, he has strong professionalism, deep qualifications and wide connections; On the other hand, He Laoshi has always been famous for his understanding and high emotional intelligence. His immortal friendship with artists of his peers and his love for younger artists are all talked about by everyone, and he is well-known in the circle.

Huang Lei once commented on He Jiong: "He has helped too many people in his life. Too many young people, the last "Happy Camp", He Laoshi felt good, he would recommend it to others, and there was no purpose. " The new generation of artists, more or less have been taken care of by He Jiong.

Weibo Hot Search # Happy Family Members Celebrate He Jiong’s Birthday #

Counting the "He Bang" over the years is almost the ups and downs of the latest top stream in the entertainment circle. If a play is a hit in a certain year, the birthday wishes issued by its leading actor are likely to appear at the forefront of the "He Bang" in the following year.

In the second half of 2016, Weibo launched the hot ranking function, so 2017 was the first year of Hebang, when TFBOYS occupied a popular highland;

In 2018, Jackson Yee and Karry are still in the top two, followed by LAY, Zhao Liying, Roy, Daxun Wei and Yang Mi. Shen Yue and Hu Yi Tian, starring in "To Our Simple Little Beauty", are in the forefront;

2019 is a year for He Bang to move towards the real popularity list, with more than 130 stars sending birthday wishes and comments exceeding one million. TFBOYS leads steadily. KUN, Chen Linong and Adam, who debuted in Idol Trainee, Lu Han and Wu Yifan, who have traditional traffic, Meng Mei Qi of Creation 101, and a group of florets, etc. have all squeezed into the list. Peng Yuchang Zifeng Zhang, who became popular with "Get My Brother Away" and further circled in "The Life I yearn for", has also been praised by netizens.

"He Bang" comment area at 21: 40 on April 29th.

This year, perhaps in order to keep a low profile in the epidemic year, He Jiong set up a hidden birthday in Weibo in advance. However, the birthday dynamic cards automatically released by Weibo system have still become the data battlefields for fans.

After the card was released, it won 30,000 comments and 180,000 likes in just ten minutes. Up to now, Weibo’s comments and comments on this article have both exceeded the display limit (1 million), and the praise has reached 33 million+.

As of 21: 40 on April 29th, He Jiong’s birthday was Weibo.

Yang Di quipped under Roy’s comments, "You are still popular, so you rushed to the front of me, obviously I came first." The profile shows that although it is very important to seize the initiative and gain the favor of passers-by, the final ranking of the "He Bang" is still heat.

In 2020, the "He Bang" champion will continue to be led by Jackson Yee Lian Lian and TFBOYS, and the crowd will form the first echelon. YiBo, R1SE and other artists who were active last year and had been on the same stage with He Jiong also ranked higher. Jackson Yee’s comments alone received 150,000 replies and 1.45 million likes.

The book "The Third Wave" once predicted the era of "production consumers", and star fans are typical production consumers-they interact with stars, have an impact on star brands, and together with stars, have communication influence and commercial value. At present, Weibo has successfully built a good fan ecosystem, and "He Bang" is just a microcosm of it.

He Jiong

　 　 Special feature of 1905 film network After eight years of sharpening the sword, The Assassin Nie Yinniang directed by Hou Xiaoxian has kept fans waiting for too long. Many people went to see Nie Yinniang for the fascination of "seeing Hou Xiaoxian on the big screen". Once again, he has appeared intensively in front of the media. He is 68 years old this year, and his face even shows the kindness of the elderly. However, his tone of speaking is still like taking the lead, and his tone is humble and peaceful but reveals sharp and heroic.

　

　　　 Back in 1997, the French director olivier assayas shot The Portrait of Hou Xiaoxian. Fifty-year-old Hou Xiaoxian, with clashing hair and a slight camel on his back, chewed betel nuts and smoked cigarettes. He talked with his neighbors and made tea, sometimes as cute as an urchin, sometimes full of piqueness, and sometimes talked about his inner loneliness and lamented his loss. As the leader of Taiwanese new films, Yang Dechang has long since passed away, and now only Hou Hsiao-hsien still inherits the mantle of China traditional culture as a mainstay.

　

What influenced his film style?

　

　　　 Tsui Hark once teased Hou Xiaoxian at the Hong Kong Film Festival held in Beijing recently: He talked about shooting martial arts for many years, and it was in the 1980s that he finally made his first film, which is also amazing. "Yes, Hou Xiaoxian wanted to shoot martial arts for 30 years, and for 8 years, the film was so full of classical Chinese and special amorous feelings of restoring history. In fact, this has something to do with his film style and obedience to classical legends. In the final analysis, Hou Xiaoxian loves reading too much.

　

　　　 I remember that when Zhu Tianwen, Hou Dao’s good partner, recalled seeing him for the first time, he said that he especially liked Kuniko Mukoda’s prose, and he was surprised. "The film industry can also read books!" Director Hou Hsiao-hsien, who has a rebellious spirit in the Jianghu, believes that he is a scum, but he has been fond of reading since childhood, and he reads what he catches, and the amount of reading is amazing. Since the fifth grade of primary school, Hou Xiaoxian has been fascinated by the world of martial arts novels, loved Jin Yong’s works most, rented all the bookshops near his school and home, and read all the martial arts rentals. It’s really a voracious reading. When he was in middle school, he began to read Japanese martial arts. When there was nothing to see after reading books and Hong Kong Kung Fu martial arts films, he had to plunge into the legend of the Tang Dynasty and continue to look for the ideal romantic excitement in the world of chivalrous men and recluses.

　

From Shen Congwen to Nie Yinniang, the legend of the Tang Dynasty has been brewing for 30 years

　

　　　 Hou Hsiao-hsien once mentioned Shen Congwen again and again in interviews, because he finally knew clearly how to make a film after reading Autobiography of Congwen recommended by Zhu Tianwen, which confirmed the changes he made in The Man from the Wind Cabin, and this film touched Jia Zhangke, a young man in the town, and made Xiaowu and Platform many years later. Driven by writing, Hou Hsiao-hsien maintained the mode of co-creation with literati for decades, and his partner with Zhu Tianwen became a beautiful talk in the circle. Later Acheng and now Haimeng Xie joined in, which shows Hou Hsiao-hsien’s respect for literature.

　

　　

　　　 According to Hou Hsiao-hsien’s experience, it seems natural to shoot Nie Yinniang the Assassin. In 1975, Hou Hsiao-hsien wrote the first play "The Peach Blossom Woman Fighting the Duke of Zhou", which was adapted from Yuan Zaju, and the second play "The Engagement Hall" came from the novels of the Tang Dynasty. He loved China’s folk art so much that he turned Taiwan Province’s puppet show into the legendary "Dream of Life" and put Zhang Ailing’s annotation and translation of the Qing novel "Flowers on the Sea" on the big screen, which made people fascinated by the exquisite tea, soup and hairpin in that lost time.

　

　　　 "Assassin Nie Yinniang" comes from the Tang Dynasty legend "Tai Ping Guang Ji". The original text is only a thousand words. As early as the 1980s, Hou Xiaoxian wanted to shoot Nie Yinniang. This name has been brewing in his mind for nearly 30 years. Wen-Ying Huang, his imperial art director, said: "Hou Dao first closed himself for a year, studied the history of the Tang Dynasty, and joined the screenwriter work in Zhu Tianwen and Haimeng Xie in the summer of 2009." . After years of polishing by Hou Hsiao-hsien, Zhu Tianwen, Acheng and Haimeng Xie, the script "Nie Yinniang the Assassin" with only 35 scenes and 8,000 words was finally formed.

Hou Xiaoxian’s Unique Martial Arts: Just for "Waiting for the Cloud to Arrive"

　

　　　 The immersion of Tang legends and martial arts novels not only endows Hou Xiaoxian with a natural chivalrous spirit, but also allows him to create a unique and Chinese chivalrous world. Shu Qi said that the director always waits when filming, and the long wait is only for the rising of a mountain fog. Hou Xiaoxian should not rely on the special effects in the later period, but want the emotional atmosphere in real time and space to diffuse naturally.

　

　　　 This way of filming continues the spirit of his idol Akira Kurosawa’s "waiting for the clouds to arrive", which is rare in today’s hurried world, so it stretches out the beautiful pictures of there seems to be no one on the empty mountain and and yet I think I hear a voice. In his swordsmen’s imagination, it’s not the satisfaction of the sword, but the absolute loneliness without the same kind, so don’t expect to see the complicated moves in traditional swordsmen’s films in Nie Yinniang, but kill yourself with one knife after a long wait, and compress time into zero degree space in an instant.

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Special feature of 1905 film network　Golden roosters and crows, striding for a new journey. "Today’s Film Review" is a series of programs specially planned for the 35th Golden Rooster Award in China. Today, we will pay attention to the actors nominated for this Golden Rooster Award and review how they created the image of China and moved the audience.

Once the nomination list of this year’s Golden Rooster Award was announced, the competition for best actor and heroine immediately sparked heated discussion. Among them, the nominees for best actor are,,, and.

Shen Teng — — In 45 seconds, the emotions change a lot, and the little people are sad and romantic.

In the past, it was very difficult for the characters in comedies to run for awards. This time, Shen Teng performed the sadness and romance of the little people in the film, and finally saved the earth by sacrificing himself. He moved and conquered the audience with his full-fledged performance.

Jason Wu — — A thousand miles of light and shadow show the tenderness of the iron man.

In the past, Jason Wu used to show people as hard-core masculinity. This time, he changed from "shooting stars" to "crying stars". In the film, he played a company-level cadre and created a very full and three-dimensional character image through emotional links and descriptions with his mother, brothers, comrades-in-arms and the country.

Xú Zhēng — — It’s not easy for a man to be behind four women in one play.

In the film, the director is a female director, and the other three leading actors are also female actors. There is a saying that "four women have one drama", which shows that Xú Zhēng’s skill behind it has gone up a storey still higher, and he has performed a role of "Shanghai Life Stream" brilliantly. Feng, deputy editor-in-chief of China Film News, said: "The success of his artistic image is due to the writer’s very accurate grasp of the people in Shanghai. We can see or understand the current social reality in China, our city life."

Jackson Yee — — Rooting in life and looking forward to miracles

From the beginning to the end, Jackson Yee has created a role image close to life step by step, year after year, by rooting in life. The image he created in Miracle Stupid Child this time is a true portrayal of the image of thousands of young entrepreneurs and hard-working people in Qian Qian in the new era.

Zhu Yilong — — A handsome boy, thoroughly remould oneself.

Zhu Yilong’s role in the movie is called Mo Sanmei, and Zhang Jinfeng commented: "A handsome son is thoroughly remoulded, and the market is full of skins." In China, the image of a character like Mo Sanmei is very real. This character is very close to the bottom people and real life. It is a very credible and lovely character image. In the movie, after his personality is improved, it makes people feel very respectable.

Nominated actors for the best actress are,,, and. They represent female images of different ages and experiences, but they all leave a deep impression on the audience in front of the screen.

NiNi — — Ten years to see the real chapter

After ten years of experience, NiNi was nominated for the Golden Rooster Award. Zhang Jinfeng said: "When you are young, you will fade away, and you will be emboldened by silent polishing. You will see the real chapter in ten years." The image of Liuchuan played by her in it is particularly intriguing. Some people say it is noble and sexy, while others say it is free and unrestrained.

Wang Danni — — Newcomers recreate Hong Kong women’s elegant demeanor, and the whole people recall absolute beauty.

We all know that we can sing and dance, and we are also good at acting. Wang Danni, as a new cross-border person, has proved the truth of "painting with white paper" well. Her image of Anita Mui in the film reminds us of the "ever-changing queen" of absolute beauty.

Xi Meijuan — — The art road is endless

Teacher Xi Meijuan won the Golden Rooster Award for Best Actress in 1991 for her outstanding performance in the film. Now, at the age of 67, she is still challenging a new role that she is not familiar with, a daughter with Alzheimer’s Harmo’s disease. This special role has the impulse to make her create, and it also proves her endless spirit of artistic career.

@ Moderator Xiaoli:In fact, there is a key word in the role created by Xi Meijuan, which is called "care". This care is not only for the disease itself, but also for all children with mothers. No matter how old you are, we are all treasures, and we can all enjoy the care of our mothers, which is also a kind of psychological care.

Yang Enyou — — When you’re new here, it’s good to play a small game.

Yang En also plays a little girl with personality dressed by Nezha in Life Events. At the same time, she is very caring and sensible, which has aroused the attention and interest of many domestic and foreign audiences for children in China.

Yang Xiucuo — — Rooted in the snowy area and hanging down, it blooms the national style.

Yang Jin’s performance in "Black Tent" is rooted in the snowy area, which reflects the elegance of ethnic minorities and makes the audience give it the title of "saussurea involucrata" on the plateau.

In addition to the fierce competition between male and female protagonists, the competition between male and female supporting actors is equally wonderful, and the characters they create are equally unforgettable.

The image of the head teacher played by Liu Dan is deeply rooted in people’s hearts, so that everyone who watches this movie will involuntarily recall the head teacher in his junior high school. "Miracle Stupid Child" also has many excellent supporting roles, including the image of a working mother. They show a particularly difficult life, which represents many working people and can also arouse their deep resonance.

Zhang Jinfeng:Every character actually comes from us ordinary people, which makes us feel a strong smell of fireworks.

Movies are the country’s cultural business cards. I hope that our actors, when portraying characters, will remain credible based on truth and touching, lovely based on vivid images and respectable based on the spirit of China, better show the world the image of China, tell the story of China and spread the voice of China, and then better go to the world on behalf of China’s big screen.

On January 30, 2024, the National Bureau of Disease Control and Prevention and other six departments jointly issued the Notice on Replanting the Second Dose of Inactivated Polio Vaccine for the Population. Children born between March 1, 2016 and September 30, 2019, who have only received one dose of inactivated polio vaccine, need a second dose of inactivated polio vaccine to strengthen the immune protection effect against poliovirus type II.

1. What is polio?

Polio is an acute intestinal infectious disease caused by poliovirus, commonly known as polio. It was widely popular in the history of our country. Poliomyelitis virus has three serotypes, and there is no cross immunity between them. At present, there are two kinds of polio vaccines used in China according to their nature:

1. Inactivated polio vaccine (IPV) (intramuscular injection):

It contains three serotypes, I, II and III.

2. bivalent live attenuated polio vaccine (bOPV) (oral):

It contains two serotypes, I and III.

On May 1, 2016, China adjusted the immunization program of polio vaccine for the first time, and implemented the immunization program of 1 dose of inactivated polio vaccine and 3 doses of live attenuated polio vaccine nationwide.

On December 31, 2019, China adjusted the immunization program of polio vaccine for the second time, and implemented the immunization program of 2 doses of inactivated polio vaccine and 2 doses of live attenuated polio vaccine nationwide.

Second, why should we replant polio vaccine (IPV)?

Only one dose of IPV was inoculated, and the positive conversion rate of antibodies against poliovirus type II was low. In recent years, polio outbreaks have occurred in many countries around the world, especially those caused by polio virus derived from type II vaccine.

Before the global goal of polio eradication is finally achieved, as long as there is the spread and epidemic of polio virus in other countries and regions, China will continue to face the risk of polio virus import and spread. Therefore, for school-age children who have only been vaccinated with one dose of IPV, adding one dose of inactivated polio vaccine can improve the positive conversion rate of antibodies against poliovirus type II and make the protection more comprehensive.

According to the arrangement of maintaining polio-free, China decided to carry out this vaccine replanting work.

3. Who needs replanting?

All children over 2 months old who were born after March 1, 2016 and have not been vaccinated or have only been vaccinated with one dose of inactivated polio vaccine (including the combined vaccine containing inactivated polio vaccine) in this city.

This replanting population is not limited to the above age groups. Children born before March 1, 2016 have basically taken trivalent live attenuated polio vaccine orally, so it is not necessary to replant inactivated polio vaccine; If you don’t take trivalent live attenuated polio vaccine orally, and you haven’t been vaccinated or only have been vaccinated with 1 dose of IPV (including the combined vaccine containing inactivated polio vaccine), it is also the replanting object this time.

Many parents still have many questions in the replanting of inactivated polio vaccine. We sorted them out and gave you a unified answer.

01 Parents asked: My baby has taken 1 dose of IPV, how can I replant it?

A: In the past, only one dose of IPV was given to school-age children, and then another dose of IPV was given. The interval between the replanted IPV and the previous polio vaccine was ≥28 days.

Parents ask: If my baby has to replant 2 doses of IPV, is there any requirement on the time interval?

A: School-age children who have no history of IPV vaccination in the past were vaccinated with 2 doses of IPV, with an interval of ≥28 days and an interval of ≥28 days from the previous polio vaccine.

03 Parents asked: My baby was born in May 2019. In 2021, she participated in the intensive immunization with inactivated polio vaccine (IPV), and she has completed two doses of IPV vaccination. Do you need to replant this round?

A: There is no need to replant!

Will multiple polio vaccinations increase the probability of adverse reactions?

A: A large number of studies show that repeated polio vaccination will not have a negative impact on children’s health, nor will it increase the probability of adverse reactions.

How to ensure the quality of polio vaccine?

China food and drug administration, China has clear regulatory requirements for vaccine registration, production and manufacturing, and implements a strict batch issuance system before it is put on the market. After marketing, there are also clear regulations on the circulation, storage, transportation, vaccination and supervision and management of vaccines to ensure the quality of vaccines.

In 2011 and 2014, the World Health Organization conducted two evaluations on the functions of China’s National Vaccine Supervision System (NRA), and concluded that the monitoring functions of pharmacovigilance/suspected adverse reactions to vaccination (AEFI) of China’s National Vaccine Supervision System were in line with international standards, which ensured that the quality of China’s vaccines was in line with international standards.

Replanting time: completed before June 30, 2024.

Now, do the nannies understand? Go and check the vaccination certificate of the baby at home to see if it is necessary to replant IPV. In order to better guard the health of children, please replant the baby as soon as possible ~ ~

Warm reminder: replanting is free ~ ~

Source: yingtan CDC

Editor: Hu Yishu Editor: Wang Tao Reviewer: Xiaozhong Liu

Submission email: ytrbtgpt@163.com

Complaint reporting telephone number: 0701-6263862

Advertising cooperation hotline: 13970175832 Mr. Xie

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Original title: "Completed before June 30! Replant! 》

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Finger counting, the May Day holiday has entered the countdown. Are you going to spend it at home or go out for a wave? However, no matter where we go during the holiday, it is People Mountain People Sea, but it still can’t stop the excitement that we want to go out to play. After all, there are only a few long holidays in a year. Of course, we should seize the opportunity to go out.

　　According to past experience, during holidays, the expressway is jammed, so how to plan the travel route scientifically without blocking the road? In order to save time and travel with peace of mind, the map of sogou analyzes the peak travel time, highway congestion and popular cities in all parts of the country during the May Day holiday in advance, and comes up with a "May 1 Labor Day Travel Forecast", which is more practical after reading it.

　　According to the forecast of sogou map, because some people choose to travel in advance during the holiday, the first wave of travel peak of May Day holiday will be ushered in from 15: 00 to 20: 00 on April 28. April 29 is the first day of the small holiday, and the rush hour of the trip is from 9: 00 to 19: 00; The peak return time is from 15: 00 to 23: 00 on May 1.

　　In addition, the map of sogou accurately predicted the congested sections of expressways during the May Day holiday. Some high-speed sections, such as Beijing-Tibet Expressway, Beijing-Shanghai Expressway, Shenhai Expressway, Daguang Expressway, Wuhu Expressway and Quannan Expressway, will be congested to varying degrees due to the substantial increase in traffic flow, especially self-driving traffic. The map of sogou reminds everyone that if you don’t want to be stuck in the highway for a party, you should try your best to travel at the wrong peak, make a good route plan in advance, and call "Wang Tsai" to help you understand the real-time road conditions, so as to avoid putting people on the road.

　　According to the report, the most popular tourist cities during the May Day holiday are mainly concentrated in the south. Except for Beijing, which ranks second, the top ten popular cities in China are occupied by southern cities without exception. This year, Guangzhou ranks first among the most popular domestic cities on May 1 ST, with suitable temperature and many places to play and scenic spots, so it is quite popular with people.

　　As the small holiday lasts only three days, it is too far to cross the city or you don’t want to go to popular cities to watch the crowds, so it is also a good way to take a leisure vacation to choose travel activities such as self-driving Zhou Bianyou and leisure tour.

　　The May Day holiday is just around the corner, and everyone must have been unable to hold back the joy of traveling. Holiday travel safety is the first priority. If you want to let yourself go quickly and arrive safely, please accept this sogou map travel guide!

In China, the number of take-away users has reached 360 million, and the average daily order volume is tens of millions. In order to serve these hungry diners, there are more than one million take-away riders rushing around the streets of hundreds of cities across the country.

Each color in the picture above represents a rider.

Takeaway riders are a group of energetic "little brothers":Nearly 70% of them are under the age of 35, and more than 90% are men.. Although the proportion of "little sister rider" and "big brother rider" is low, they don’t let a young man be old and strong, and their work performance is equally excellent.

On average, a riderI have to work 8 hours a day, stand by for 12 hours and deliver 48 orders.. If the average distance between merchants and diners is 3 kilometers and each order is 1.5 people, the rider travels nearly 150 kilometers every day, saving diners 100 hours and walking 400 kilometers less every day.

And this is just a microcosm of millions of riders. Behind this microcosm, there are more data details; Behind the details of the data, it is the embarrassment that riders exchange sweat for a better life.

Hard-working riders

The horizontal axis represents time and the vertical axis represents order quantity.

Four o’clock in the morning is the quietest time of the day in Shanghai, a super city. Most residents have fallen asleep, and the riders have started the "handover" of work: the riders who have delivered the supper can finally get off work, and another group of riders get up early to prepare for the first breakfast today.

A qualified rider must have a good physical strength, get up in the morning and endure at night.

However, super endurance is only part of the rider’s necessary working ability.

Each horizontal rectangular combination in the figure represents the working state of a rider on a certain day in July 2018. The period marked in blue indicates that the rider is running on the road, and the period marked in white indicates that the rider has no pick-up ticket or is in a rest state.

As can be seen from the above picture (combined with the above picture), the working hours of riders are highly fragmented. The rider’s workload is not evenly distributed in all time periods: every time the order for "meals" comes like the tide, the rider must work continuously for several hours with high intensity; However, there are fewer orders during the non-"meal" period, and whether you can grab the order successfully depends on your hand speed.

Working 8 hours a day, waiting for 12 hours, cycling between high-intensity running and fragmented grabbing, this is the real working state of the rider.

These are just the "daily" of the rider. Special weather conditions are the real test for riders.

Based on non-rainy days, the heavier the rain, the more take-away orders.

It can be seen that the number of orders in rainy days is far more than that in non-rainy days, and even close to 1.7 times in rainy days. At this time, some riders will choose to rest in rainy days, while others regard rainy days as an excellent opportunity to run more singles.

Real riders dare to face up to the surge in orders and the bad weather.

A variety of styles of riders

Generally speaking, the work area of each rider is relatively fixed (you can go back to the first picture at the beginning), and it is more efficient to be familiar with the store and familiar with the door. However, the size of each rider’s "territory" varies greatly.

In the picture above, a dot represents a rider. The horizontal axis represents the main activity range of the rider (95% threshold of latitude and longitude of the area visited in a week, converted into square kilometers), and the vertical axis represents the average daily riding distance of the rider in kilometers. The more riders in this area, the deeper the blue background.

We selected a group of riders with average daily orders (about 45 orders), and counted their range of activities and average daily riding distance. It can be seen that the smallest range of activities of these riders is only 18 square kilometers, and the larger one is close to 35 square kilometers. Although the range of activities is nearly 2 times, everyone’s riding distance is about 150 kilometers. Why is this happening?

We can guess:Although the goal is "running less and running more", different riders have different working styles.

Based on this speculation, we selected 11 dimensions to represent the rider’s food delivery style, and conducted principal component analysis (PCA) on these dimensions.(These 11 dimensions include: working hours, fragmentation of order time, proportion of lunch orders, proportion of dinner orders, proportion of meal orders, proportion of supper orders, average distance per order, size of activity range, ratio of length to width and radius of activity range, proportion of drop-by orders and average delivery time per order. )

[Readers who are not interested in PCA can skip this picture without affecting the full-text reading]The above figure depicts the importance of the two principal components of PCA. The horizontal axis is principal component 1, the vertical axis is principal component 2, 11 arrows represent 11 variables, and the coordinates represent their projections on the two principal component axes. It can be seen that the rider’s food delivery style has two basic components: time (principal component 1) and space (principal component 2). And the drop-in list and the average delivery distance per order are the combination of time and space components.

On this basis, we carry out K-means clustering and divide the work style of riders into 9 categories. As shown in the figure below, each point in the figure represents a rider, and riders in the same polygon have the same style.

From the nine styles, we select four most distinctive ones and analyze them.

The first type: "velocity flow" style

The above picture shows the activity path of a rider with a "speed flow" style at a certain time of the day. Blue marks represent riders, red dots represent restaurants, yellow dots represent customers, and blue lines represent riders’ running paths. It can be seen that the rider’s activity area is not large, and the restaurants and customers are very dense.

The riders of "Speed Stream" are mostly active in densely populated and order-intensive areas (such as the city center). Their characteristics are small activity range (average 20 square kilometers) and fast food delivery (average delivery time is 23 minutes). They can usually get more orders and better customer comments.

The second type: "downstream flow" style

We define the concept of "drop-in order": the rider has also handled other orders during the process from picking up meals to delivering meals. The meaning of "downstream flow" is "high proportion of downstream bills". The above picture shows the activity path of a rider with a "downstream flow" style at a certain time of the day. In the rider’s activity area, the location of restaurants and customers is sparse. This rider often runs several restaurants and then several customers in a row.

A bold and cautious rider is not afraid of running far, and he is afraid that there are not many orders; No Jin Gangzuan, no porcelain work. The average range of activities of "Riverside Riders" is 30 square kilometers, but as high as 80%, they don’t need to run many more roads. Adopting this working style not only tests riders’ familiarity with road buildings in the area, but also tests their ability of route planning and time control, and it is also a great challenge to the ability of improvisation.

The third type: "grab a meal" style

The above picture shows the activity path of a "grab a meal" style rider at a certain time of the day. The rider didn’t go to work until 11 o’clock in the morning, and he was so busy that he flew. 1-3 pm, the rider has a long rest; Get busy again around 4 o’clock.

About 60% of the riders’ orders in a day are concentrated in lunch and dinner (the industry average is 45%). They combine work and rest, go all out at the peak of the order, their hands and feet are much faster than their peers, and they have a good rest after heavy work until the next meal arrives.

The fourth type: "Desperate Lang" style

The above picture shows the activity path of a "Desperate Lang" style rider at a certain time of the day. The rider ran continuously from 7: 00 a.m. on June 19th to 1: 00 a.m. on June 20th for nearly 18 hours.

There are some riders. They are on the road when you have breakfast, and they are still on the road when you have supper. High attendance, many running orders, flowing customers, iron brother. It’s hard to travel for an average of 12 hours? "Desperate Lang" smiled, turned around and set foot on the journey again.

In the invisible competition with time and space, take-away riders are far from being as simple as "eating bitter".In the seemingly repetitive and monotonous rush, the rider combines the characteristics of his own ability and the characteristics of his work area, and develops his own style with experience and wisdom to complete his work and serve customers more efficiently.

One order after another, day after day. Riders appear in our mobile phone call records almost every day, and they are the most familiar strangers. They work hard and struggle for wisdom, so that we can have hot meals on time.

However, in recent media reports, people tend to pay more attention to accidental events such as "being late" and "poor attitude", while ignoring the punctuality and hospitality of riders most of the time.

Like many workers who have left their homes, riders have crossed hundreds of kilometers to integrate into the cities that give them hope, and they have fulfilled their promise of "on-time delivery" to customers with hard work. On the way of the rider’s food delivery, there are storms, competition, tempering and growth. When "little brother" gradually becomes "big brother", they may say something like this:

"A man’s life should be spent like this: when he looks back, he will not regret for wasting his time, nor will he be ashamed of being mediocre. When he retired, he could say: My beautiful youth and peak energy have been dedicated to the most magnificent cause in the world-the struggle to make human beings eat.

Description:

1. The data in this paper are provided by @ Hummingbird Crowdsourcing, and the authors are Tucki, Chen Wancheng, Ruantian, Li Tingting, and Communist Youth League Secretary. This article was originally created and launched by @ City Data Group and @ Hummingbird Crowdsourcing.

2. In order to protect privacy, the geographical coordinates of restaurants and customers have been shifted to some extent, which is different from the real situation.