Study Finds Single H5N1 Mutation May Increase Human Infection Risk
Scientists discover that a single mutation in the H5N1 avian influenza virus could make it more transmissible to humans, highlighting the need for vigilant monitoring.
H5N1
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WHO Urges Vigilance as Bird Flu Hits US Child
WHO urges countries to step up bird flu surveillance after a US child becomes infected, highlighting the need for vigilance to prevent a potential pandemic.