Mutations can result in viruses that infect cells, but can't copy themselves without help from other viruses - now it seems ...

There is also a risk of more severe complications like hospitalization and even death — and this is especially true after a ...

VIVIAN, LA - DECEMBER 12: With a temperature of 103.8, Asa Moore, 6, of Vivian, Louisiana is examined by John Messier, a physician's assistant, at the North Caddo Surgical and Medical Center for ...

As summer turns to fall, it's still mosquito season in Wisconsin — which means West Nile virus is still circulating. The state Department of Health Services announced Thursday that two Wisconsin ...

We've all heard of "the flu" but when it comes to types, subtypes and variants, influenza can get a bit complicated. According to the U.S. Centers for Disease Control and Prevention (CDC), nearly ...

You’ve heard the term, but what does it actually mean? Learn from our expert how these self-replicating programs sneak in, spread, and slow your system down, plus what you need to know to stay ahead.

We don't know the number of asymptomatic cases.” First discovered in 1955, the virus is transmitted from person to person by a small insect called the biting midge ( Culicoides paraensis), which ...

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 ...

"Altered rainfall patterns and warmer temperatures affect mosquito breeding habitats and the distribution of reservoir hosts, ...

Ahead of a CDC meeting expected to restrict access to vaccines, the department’s leaders said they will follow independent medical associations’ recommendations.