The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

Staff at the Centers for Disease Control and Prevention have been told to halt all communication with the World Health ...

SAN FRANCISCO -- The CDC has confirmed the positive bird flu case in a child in San Francisco. City health officials first reported on a presumptive case in a child on Jan. 10 and continue to ...

Many states across the U.S. have been placed in the ‘high’ or ‘very high’ category in the CDC’s Weekly Influenza Surveillance Report, which assesses activity levels of respiratory illness.

The current avian influenza outbreak led to the infection of 66 people in 10 states in 2024, CDC records show. Most cases, 36, were in California and tied to dairy cattle exposure. Washington and ...

Cases of human metapneumovirus, or HMPV, a contagious virus that can lead to respiratory disease, is reportedly spiking in northern China. Infectious disease experts say risk to the U.S. is low.

Investigators also have been closely watching another kind of influenza virus, the Type A H5N1 version of bird flu. The CDC says 66 human U.S. cases of that were reported last year, but none of ...

The Centers for Disease Control and Prevention says flu season is on the rise with emergency room visits for influenza now “very high” nationwide. The CDC says seasonal flu cases are up nearly ...

Some of the highest levels of influenza are now in Western states, several of which have already topped the peaks recorded during the worst of last winter's flu season. In Oregon, the CDC's data ...