While the investigation into how the foot and mouth virus escaped from the Pirbright site continues, there are now doubts as to whether the laboratory is still fit for purpose.

尽管针对口蹄疫病毒如何从皮尔·布赖特外泄的调查仍在继续，人们已经开始怀疑这个实验室是否还适于使用。

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And if you're the one with the cold? Be polite — cover your mouth when you sneeze and wash your hands often to prevent spreading the virus.

如果你已经感冒了，请保持礼貌——当你打喷嚏时候捂住自己的嘴，并且经常洗手以阻止感冒病毒的传播。

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In addition to washing hands often, she recommends covering your mouth when coughing and sneezing and avoiding touching your eyes and nose in case the virus is on your hands.

除了经常洗手，她建议我们在咳嗽和打喷嚏的时候遮住嘴，还要避免用手去碰自己的口鼻，因为病毒很有可能就残留在我们的手上。

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Meanwhile, the chief veterinary officer for Northern Ireland has said there was concern that a third flock of sheep may be infected by the foot-and-mouth virus.

BBC: Foot-and-mouth hits Irish Republic

That argument is now reinforced by the realisation that trucking sick pigs the length of the country is a highly effective way of spreading the foot-and-mouth virus far and wide.

BBC: The pointless slaughter?

"The foot-and-mouth-disease virus epidemic in the UK in 2001 was disastrous and cost the economy billions of pounds in control measures and compensation, " explained Dr Bryan Charleston, Head of Livestock Viral Diseases Programme at the Pirbright Institute.

BBC: Synchrotron yields 'safer' vaccine