I'll run this software to check for any viruses on your computer.

我会运行这个软件来检查你的电脑上是否有病毒。

You'll need to be immunized against viruses such as Hepatitis before you travel.

在旅行之前，你需要针对肝炎等病毒进行免疫接种。

Viruses replicate themselves and are passed on from person to person.

病毒会自我复制然后在人与人之间传播。

Viruses can't replicate on their own: They require host bodies in order to do so.

病毒不能自行复制。它们需要宿主才能复制。

The software has been tested for viruses.

这个软件已经过是否有病毒的测试。

Not all ISPs are equipped to scan for viruses.

并非所有的因特网服务供应商都有装备来扫描病毒。

Ebola is not as easily spread as viruses such as smallpox.

埃博拉病毒不像天花这类病毒那样容易传播。

This software is designed to scan all new files for viruses.

这个软件是为搜索所有新文件的病毒而设计。

Viruses tend to be good at surviving when a computer system crashes.

病毒往往在电脑系统瘫痪时仍然存在。