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medpundit |
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Thursday, January 29, 2004In the first people infected it was virtually identical to viruses taken from civets, weasel-like animals valued for their meat and sold in markets in southern China. As the virus spread more freely from person to person, it mutated slightly, apparently adapting itself better to live in humans. That was when the 'super-spreading' occurred that made the virus so frightening -- including the case of a doctor who infected several people at a Hong Kong hotel. The virus then gradually evolved into a more stable genetic form toward the end of the outbreak, Wu's team reported. posted by Sydney on 1/29/2004 08:57:00 PM 0 comments 0 Comments: |
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