This means that if the Influenza viruses are in a warm environment but outside an infectable host, such as is the case in summer, they die rather quickly and can hardly infect another person.

这意味着如果病毒处在可感染的宿主细胞之外的象夏天这样温暖的环境之中，它们会很快死亡，几乎不能感染另一个人。

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This means that if the Influenza viruses are in a warm environment but outside an infectable host, such as is the case in summer, they die rather quickly and can hardly infect another person.

这意味着如果病毒处在可感染的宿主细胞之外的象夏天这样温暖的环境之中，它们会很快死亡，几乎不能感染另一个人。

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