A huge study of swabs and fecal samples from 13,000 wild ducks in marshes in Hong Kong and eastern China and 51,000 ducks in wet markets around China , reported last month by virologists in Asia and from St. Jude Research Hospital , showed that some healthy looking wild ducks were shedding a form of the virus that was lethal to domestic birds .
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China
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Hong Kong
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Asia
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Asia
China
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China
Hong Kong
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