The CDC is now calling for subtyping of influenza A viruses in all hospitalized patients -- and on an accelerated timeline, ...
The threat of bird flu in humans remains low unless they are dealing closely with cattle, poultry or wild birds.
CDC officials say medical professionals are seeing more patients whose illness cannot be traced back to an infected animal or ...
The first human death caused by H5N1 in the U.S. was reported in Louisiana on Jan. 6. Here's what to know about bird flu.