The virus in the first severe human bird flu case in the U.S. was found to have mutated. Newsweek's live blog is closed.
All year, I’ve been keeping tabs on the H5N1 avian flu outbreak in dairy cattle and birds in the United States. As a ...
New Hampshire is gearing up to join a federal program testing dairy cattle for virulent strains of bird flu, which so far has ...
Most human cases of bird flu in North America have been mild, a fact that’s underscored by a new study of the first 46 ...