Bird flu virus in Louisiana patient likely mutated to be more transmissible, CDC says
A genetic analysis of viral samples from a patient in Louisiana hospitalized with the first severe case of bird flu showed ...
Bird flu mutated inside US patient, raising concern
The bird flu virus found in a severely ill patient hospitalized in the United States has mutated to become better adapted to ...
Genetic mutations in H5N1 bird flu raise transmission concerns
A genetic analysis of the H5N1 bird flu in a Louisiana patient reveals potential mutations for human transmissibility, says ...