Bird flu 'may be mutating to become more transmissible to humans'
Bird flu could be mutating to become more transmissible to humans, scientists have warned, as the US reported its first ...
Which Animals Have Caught Bird Flu In The U.S.?
Avian influenza has spread far beyond the nation's birds, infecting all manner of creatures from zoo animals, wild mammals, ...
Bird flu virus likely mutated within Louisiana patient who became severely ill, CDC says
A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the nation’s first severe ...