These strains of the virus pose little threat to human health.
这些病毒株对人类健康的威胁较小。
Health officials said such bans would do little to stop the virus.
卫生官员称这种禁行令对阻止病毒传播收效甚微。
There is a little bit of information of swine hepatitis E virus in Thailand.
在泰国，有少量关于猪戊型肝炎病毒的信息。
Since humans haven't encountered the new virus before, they have little protective immunity.
由于人类在这之前没有遭遇这样的新病毒，他们的保护性免疫能力就很差。
This kind of virus has little effect on personal computers.
这种病毒对个人电脑影响不大。
This kind of virus has little effect on personal computers.
这种病毒对个人电脑影响不大。
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