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In China's Backcountry, Tracking Lethal Bird Flu

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Science  15 Oct 2010:
Vol. 330, Issue 6002, pp. 313
DOI: 10.1126/science.330.6002.313

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At Qinghai Lake in China, where in 2005 alone, more than 6000 wild birds died, migrating birds are being tracked by satellite, part of a series of investigations that began after highly pathogenic avian influenza (H5N1 subtype) first swept the region in 2005. The studies aim to pinpoint the viral reservoir and the role that wild birds play in transmission. No reservoir has yet been found, but transmission routes have come into clearer focus.

* Li Jiao is a writer in Beijing.