WHO urges China to conduct more studies into bird flu in pigs
BEIJING - The World Health Organization (WHO) urged China to carry out more studies into the presence of a deadly strain of bird flu virus in pigs. The WHO's appeal, published in a statement Thursday, followed China's revelation that it had found H5N1 virus in local swine as early as 2003, long before this year's Asia-wide flu outbreak that has so far killed 27 people.
26 August 2004
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