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.
几年前，当我正在写一本关于小儿麻痹症的疫苗的书时，我有幸花了几个月来研读Jonas Salk的个人论文。
Several years ago, when I was writing a book about the polio vaccine, I had the opportunity to spend months wading through the personal papers of Jonas Salk.
这些资金将用于根除小儿麻痹症的各种关键用途，包括从购买疫苗到培训医疗工作者的各项开支。
This money will go to a variety of resources and activities essential to the eradication effort, from purchasing vaccines to training programs for health workers.
与之形成鲜明对比的是，诊所前的消灭小儿麻痹症工作正紧锣密鼓地展开。医务人员看管的冰箱里装满了给孩子用的疫苗，许多孩子聚集在周围。
By contrast, in front of the clinic, a polio campaign was in full swing. Health workers tended coolers filled with vials of vaccine for children gathered there.
接种疫苗存在一定程度的不良反应，但是感染小儿麻痹症、麻疹和其他致命疾病，显然更可怕。
There's always a chance of an adverse reaction to a vaccine's ingredients, but the much scarier scenario would be to let polio, measles, and other deadly diseases call the shots.
接种疫苗存在一定程度的不良反应，但是感染小儿麻痹症、麻疹和其他致命疾病，显然更可怕。
There's always a chance of an adverse reaction to a vaccine's ingredients, but the much scarier scenario would be to let polio, measles, and other deadly diseases call the shots.
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