... 玻利氏泡 Polian vesicle 小儿麻痹症疫苗 polio vaccine 脊髓灰质炎(流行性);小儿麻痹症 polio; (epidemic) poliomyelitis ...
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其目标是,提供一种能抑制所有季节性和流行性流感病毒的疫苗,像接种麻疹疫苗和小儿麻痹症疫苗那样为人们接种流感疫苗。即使不能保证终生免疫,也要保证在几年内为人类提供保护。
The goal is to provide protection for years, if not a whole lifetime, against all seasonal flu strains and pandemic strains, making flu inoculation much more like that for measles and polio.
2010年的大多数病例都是出现在一些无小儿麻痹症的国家,这些国家由于对于疫苗注射麻痹结果导致病毒从边境传入。
The majority of cases in 2010 were in countries that had been polio-free until the virus travelled back across borders and caused outbreaks in areas where people had gotten lax about vaccination.
同时,抵抗小儿麻痹症病毒的疫苗的功效没有像天花疫苗那么有效,天花疫苗非常有效,以至于它只需要打一针就可以保护一个人不受侵害。
Also, the vaccines against polio are not as effective as the smallpox vaccine, which was so powerful that a single vaccination protected almost everyone.
As those doses were given you look at the prevalence of polio within the United States.
随着疫苗的使用,你可以看到全美小儿麻痹症
In the Sabin vaccine, or the oral polio vaccine, now you have a non-virulent virus.
在沙宾疫苗,即口服小儿麻痹症疫苗中,存在非致病性病毒
This was of great concern because the number of polio cases shouldn't go up as the vaccine is being even more actively distributed through the country, so what happened?
这个现象让人担心,因为小儿麻痹症的发生数量,不应该在疫苗全国范围内普及后,反而有所上升,那么到底发生了什么
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