在过去的岁月中，许多儿童患有小儿麻痹症，麻疹，腮腺炎，风疹，流感，天花，白喉，百日咳和其他疾病。
In years gone by, many children were afflicted with polio, measles, mumps, Rubella, influenza, small pox, diphtheria, whooping cough and others.
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.
33年前种痘受到热烈欢迎；很多父母或是祖父母还一直记得死于天花、麻疹或是小儿麻痹的孩子们。
Thirty-three years ago, vaccines were enthusiastically welcomed; many parents or grandparents still remembered children dead of smallpox, measles or polio.
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