This virus infected thousands of computers across the U.S. and Europe within days.

这种病毒几天之内就使美国和欧洲成千上万台电脑中毒。

《柯林斯英汉双解大词典》

The virus infected our monkey-like ancestors 40 million years ago, and its genes have been passed down ever since.

该病毒在4000万年前就已经感染我们的猴子祖先，从此它的基因被传递下来。

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In 1997, in the first recorded instance of human infection with H5N1, the virus infected 18 people and killed 6 of them.

1997年首次记录人类感染H5N 1, 18人感染病毒，其中6人死亡。

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Others say some women may have had sex with infected men who had very high amounts of the virus.

VOA: special.2010.07.21

So, this is a cell that's infected with a microorganism, it's infected with a virus, let's say it's infected with influenza virus.

这是一个感染了微生物的细胞,它感染了一种病毒,就说是感染了流感病毒吧

耶鲁公开课 - 生物医学工程探索课程节选

The idea being if I find a pattern across multiple people's computers maybe all of those people are infected with the same kind of malware or virus or worm.

如果我从不同人的计算机中发现了一个模型,这就说明,所有那些人的计算机都感染了相同的,恶意软件，病毒或蠕虫。

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The virus there infected 175 people, said Patricia Huston of Dallas County Health and Human Services.

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Jensen hopes to genetically modify them to ferret out tumors just as they would virus-infected cells.

FORBES: Do-It-Yourselfer

The H7N9 virus has infected a total of 83 people, killing 17, state media said on Thursday.

BBC: China pig and dog deaths prompt probe into factories