News & Perspective

Feb 21, 2006

Feb 21, 2006

WHO: Changes in H5N1 virus may promote spread in birds

Robert Roos and Amy L. Becker
 |
Feb 21, 2006

(CIDRAP News) – The World Health Organization (WHO) says H5N1 avian influenza has infected birds in 14 more countries since the beginning of this month, and recent genetic changes in the virus may have something to do with its rapid spread in birds.

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