A second health worker in contact with the Missouri patient who tested positive for bird flu also developed symptoms but wasn ...

The world is watching how the U.S. is responding to the H5N1 bird flu outbreak in dairy cattle, a top WHO official said.

The Centers for Disease Control and Prevention has picked five lab partners to develop a test for avian influenza A (H5N1) — ...

With the approach of fall and cooler weather across the United States, officials say the risk posed by the H5N1 bird flu ...

A patient in Missouri who was hospitalized after an infection with bird flu had the H5N1 strain of the virus, the US Centers ...

A close contact of a Missouri resident identified as having a human case of the H5N1 avian flu also became sick around the ...

Whooping cough cases are climbing at the fastest pace in years as students across America return to school, U.S. health ...

A close contact of the person in Missouri who had an unexplained H5N1 bird flu infection last month was also sick around the same time, but was not tested for influenza, the Centers for Disease ...

Health officials on Thursday said they don’t know how a Missouri person caught bird flu but believe it may be a rare instance ...

That  human case of A(H5) avian flu in Missouri that had no known contact with poultry or other animals has been confirmed by the U.S. Centers for Disease ...