The U.S. government failed to eliminate the virus on dairy farms when it was confined to a handful of states. Now at least 875 herds across 16 states have tested positive.
The CDC said Thursday its analysis of samples from a Louisiana patient with bird flu showed mutations not seen in samples ...
A genetic analysis suggested the bird flu virus mutated inside a Louisiana patient who contracted the nation's first ...
A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the nation ...