Flu activity has surged to high levels in many states, overwhelming some hospitals. Experts discuss what to expect for the ...

Norovirus, also known as the stomach bug, is spreading across the U.S. Here's what to know about the contagious virus and how ...

The nation's first human death due to the bird flu occurred this month, the latest development in a global outbreak that, ...

Current strains of bird flu are “poorly suited for pandemic potential,” said Dr. Shira Doron, a Tufts Medicine infectious ...