Respiratory viruses are continuing to spread across the United States and such activity "is expected to continue for several ...

The US Centers for Disease Control and Prevention is urging hospitals to accelerate advanced testing of people they suspect ...

A child ill with fever and conjunctivitis in San Francisco tested positive for bird flu but had no known source of ...

The CDC is now calling for subtyping of influenza A viruses in all hospitalized patients -- and on an accelerated timeline, ...

People hospitalized for flu should be tested for bird flu within 24 hours, the U.S. Centers for Disease Control and ...

New CDC data indicates a rise in cases of norovirus, often colloquially referred to as "stomach flu." Test positivity has ...

The U.S. is seeing a "quad-demic" as cases of COVID-19, flu, RSV and norovirus spread at the same time. Experts said this is ...

Influenza is high across the country, and Indiana is among the states affected. Here's what we know about how long flu lasts, ...

Ah, the classic signs of winter: Freezing temperatures, icy roads and empty tissue boxes. It's no secret that winter is a ...

Here's what we know about the virus today, five years after the first nation's case of COVID-19 was reported north of Seattle ...

Seasonal flu tends to spike from December to February. People who become infected tend to get a sore throat, cough, runny ...