So if a normal bird flu virus checked into your nose, chances are it would check out before it had a chance to multiply, mutate and do any damage.

这样，如果你吸入一般的禽流感病毒，多数情况是，在它变异造成危害之前，它已经在你的鼻腔内冻死了。

youdao

Since 2006 all members of staff who deal with patients have had to undergo compulsory blood tests to check whether they have the virus.

自2006年以来，直接接触病人的所有医护人员都必须验血，检查是否感染HIV病毒。

youdao

Did you check for a virus on your system?

你对你的系统做了病毒检查吗？

youdao

There's no known cure for hepatitis B, although the virus can be kept in check with anti-viral medicines.

VOA: standard.2010.07.26

It means some delay while they check and allow virus-free material to go through.

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The team's approach, which IAVI Vice President Wayne Koff calls very promising, makes use of a three-step process to teach the immune system to keep the HIV virus in check.

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But a quick check of her records verified that five different tests had detected the virus in the days and weeks following her birth.

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