What is H5N9 and how is it different from H5N1? Scientists classify bird flu viruses by which kind of two key proteins are ...

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.

The Centers for Disease Control and Prevention released some new flu data to the public on Friday, despite the Trump ...

In an abundance of caution, the CDC last week advised hospitals and labs to do faster flu testing to help identify possible ...

“CDC is the health warning system of the United States,” says Katelyn Jetelina, an epidemiologist who has been a ...

As of Jan. 20, the CDC reports that RSV activity has peaked in most of the U.S., particularly among young children—a group ...

The U.S. Centers for Disease Control and Prevention is urging health care workers to accelerate bird flu testing for patients hospitalized with flu symptoms.

The Centers for Disease Control and Prevention today released an advisory recommending clinicians expedite subtyping of type ...

The Centers for Disease Control announced the first human death from H5N1 avian flu or "bird flu" in the United States on Jan. 6 - and the illness continues to spread. In a Jan. 6 news release, the ...

This testing tells doctors specifically what subtype of flu – such as H1N1 or H3N2 – a person has. The CDC is calling on ...