A backyard flock in Vermont was sickened with H5N1, agricultural officials said on Thursday, following other reports of bird ...
A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...
A sample of the virus found in a critically ill patient in the US has shown signs of mutating to better suit human airways, although there is no indication it has spread beyond that individual.
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