China’s Bird Flu Surge Is a Low Epidemic Threat, W.H.O. Says

But the virus’s division into two strains will probably force development of a second small stockpile of emergency vaccine to be introduced if the virus becomes more transmissible.
By DONALD G. McNEIL Jr. from NYT Health http://ift.tt/2mFTDCs
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Avian Influenza
Source The New York Times
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