Now, with the influenza A H1N1 influenza virus in the rapid worldwide spread, the global number of countries have also begun for a stream of critical prevention and control, including vaccination A vaccine is the flow of this "battle" lies. A flow of current immunization vaccines in many countries is in full swing, but because a stream and the actual needs of the vaccine there is a big gap, so prevention and control work in many countries and challenges.
States of emergency vaccination
Recently, the "News of the World," Virginia, US-based reporters came to a clinic to see hundreds of people queued for Influenza A H1N1 influenza vaccine inoculation. Multi-year-old daughter with have been waiting for over an hour. She said that for several days but the team waited too long and did not rafts, at the repeated urging of family doctor, she brought her daughter to try their luck, the result turned out on the 29th, she said that evidently could give her daughter vaccinated.
Like the United States, France, Japan, South Korea has recently started in a nationwide vaccination A flow of vaccine. French Ministry of Health officially launched October 20 A current vaccination activities. According to plan, the Government will give priority for a number of special populations vaccinated. Up to now, there are about 20000 health care workers have been vaccinated. Starting from November 12, the vaccination will be extended throughout the country.
South Korea starting from October 27 A current immunization vaccine, the first area in the capital, Seoul, Korea University Guri Hospital, Sunchon National Medical Center township hospitals and medical personnel started. Then, the vaccination campaigns will begin in mid-November followed by primary and secondary students in the 6 months to 6 years of age and pregnant women, infants and young children, the elderly, the chronically ill to start in different populations.
Japan is a flow of more serious infection in one of the countries. According to reports, from October 19 to 23, of Japan, a stream infection due to closure or partial closure of the schools reached 12580. Japan from October 19 began a nationwide vaccination A vaccine stream.
The challenges of a shortage of vaccine
A stream of large-scale outbreaks of the face in many countries there is a big gap in the vaccine, which is a great challenge to prevention and control work flow. According to "News of the World" in the United States to report, in July of this year, U.S. government officials had promised it would invest 2 billion U.S. dollars to buy 250 million A flow of vaccine, and is expected in mid-October there will be 80000000-120000000 vaccine in place. But the U.S. Centers for Disease Control and Prevention Center, the latest data show that as of October 29 only 23 million vaccines in place.
University of Maryland Center for Public Health and Safety Ma Rui Tamai Ke, director of the Ministry of Health, told the "World News" reporter, the United States adopted a streaming vaccine production is still "egg Law", which is a 50-year-old technology. The method is a first influenza virus is injected into fertilized eggs, and so the virus propagation period of time, after the virus inactivation, purification procedures, the final extract the vaccine stock solution for mass production, the entire production cycle needs about 6 months. Mike said that, faced with a stream of concentrated epidemic outbreaks, this traditional mode of production has been unable to rapidly meet the demand.
In addition, because influenza vaccine is far from other drugs, high-profit, so the majority of vaccine manufacturers have no incentive to update the already accustomed to the "egg Law." In view of this situation, the U.S. government began to promote new ways determined to vaccine production. Novartis is currently the U.S. government has provided a contract worth 487 million U.S. dollars used to build a plant in North Carolina, by the virus into animal cells to produce vaccines, the plant is expected in 2011 to 2012 put into use.
Like with the United States and some other countries are also due to capital, technology, time and other reasons led to a flow of the vaccine in short supply. According to reports, the United States announced in accordance with the proportion of 30% of the population vaccinated A flow of vaccine. Some analysts said that if China is also in accordance with this ratio, then require up to 390 million of the vaccine stockpile and currently has 10 domestic vaccine production capacity of the full capacity of enterprises and is also only 274 million, that is, At least in China there are more than 100 million doses of a vaccine shortage stream.
Why do some people do not want to fight vaccine
A flow of current U.S. vaccination is voluntary, but some companies and schools are susceptible to be vaccinated. Vivi multi-told "World News" reporter, her family doctor repeatedly asked her to go to her daughter vaccinated, so that she cope with their owners. "Washington Post" poll showed that only 52% of parents give their children vaccinated, said. U.S. National Vaccine Information Center, director of Fischer on the "News of the World," told reporters that the U.S. government proposed a child from birth to 18 years of age a total of 16 kinds of vaccine should be vaccinated a total of 70 needles, and parents reluctant to let their children be vaccinated more of a vaccine, .
It was also reported, although the French government's universal vaccination program about to start, but more than the survey, less than two percent of French people are willing to receive the vaccine. French people do not want the reasons for vaccination, one imagined that a stream than the serious, so concerned about low level; 2 is the vaccination is safe, effective and there is doubt.
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Haves "grab" poor man's vaccine?
Earlier reports concerned with the rich countries may be advantages to "grab" the poor vaccine. However, the WHO Director-General Margaret Chan October 28 said that at present the world's production of a flow capacity of the vaccine are limited, in order to free access to part of the vaccine, the WHO has adopted the United Nations and has a production capacity of the country or vendor. These countries or companies to donate 200 million vaccine, and in the next 12 months arrive. WHO will these vaccines are available to more than 100 Third World countries.
In addition, Asia, Africa and Latin America, some developing countries have also submitted an application to the WHO hoped that the vaccine as soon as possible a flow of aid.