A Missouri bird flu case first reported by the CDC in September has drawn national attention. The CDC released findings ...

The Missouri case has been the most perplexing ... the first — and only — known U.S. case of a person who contracted the avian influenza strain known as H5N1 without working on a farm.

FILE - This 2005 electron microscope image shows an avian influenza A H5N1 virion ... after investigating a mysterious infection in Missouri. The illness reported last month was different ...

A cluster of infections would mark a significant expansion of the avian influenza virus, indicating that it could transmit from person to person. On Friday, Missouri and federal health officials ...

federal health officials on Thursday offered some relatively good news about Missouri: The wily avian influenza virus does not appear to have spread from the state's sole human case, which ...

As the H5N1 avian influenza virus continues its rampage through U.S. dairy ... one was in Texas, and one was in Missouri. (A ...

WASHINGTON — The Centers for Disease Control and Prevention should have results later this month that provide more insight into how a Missouri resident, who hadn’t had any contact with ...

The CDC confirmed that the Missouri patient had avian influenza A(H5N1) based on blood test results. Serology tests on close contacts did not indicate further human transmission. A household ...

Health officials said Thursday that there's no evidence bird flu is spreading between people after investigating a mysterious ...

A case of bird flu in a Missouri resident is the only diagnosis in the United States this year where the person did not have contact with infected dairy cattle or poultry. (Stephen Ausmus/Animal ...