Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

Experts warn about the possibility of a new pandemic in 2025 as the H5N1 bird flu virus spreads across all 50 states, impacting US dairy farms and leading to human infections. Here's what to know.

A person living in the suburbs of New York City has tested positive for chikungunya, a mosquito-borne virus that is more often seen in South America and hasn’t been transmitted on the U.S. mainland in ...

A woman in New York may have contracted a case of locally-transmitted chikungunya virus, an illness usually associated with travel. Chikungunya is a mosquito-borne viral disease that can cause fever, ...