pre-pandemic vaccines 大流行前疫苗
Plans to raise the issue at the World Health Assembly in May 2009 were pre-empted by the H1N1 influenza pandemic and hopes have refocused on this year's upcoming Assembly.
H1N 1流感大流行阻碍了2009年5月在世界卫生大会上提出该问题的计划,现在把希望重新放在今年即将召开的大会上。
The H1N1 pandemic was characterized by the emergence of a new influenza virus to which many people had no pre-existing immunity.
H1N 1流感大流行的特点是出现新的流感病毒,而许多人对其并没有预先存在的免疫力。
If the findings from these studies are real they raise important questions about the biological interactions between pre-existing and novel pandemic influenza strains.
如果这些研究结论是正确的,那么就为我们提出了一个重要问题——现存的流感毒株与新的大流行性流感毒株的生物学关系。
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