Here's what you need to know about this season's H3N2 flu symptoms, treatment, when to go to the hospital and whether to get ...

What is norovirus? Norovirus is an extremely contagious illness that commonly causes vomiting and diarrhea, ...

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

Influenza is on the rise. Flu activity was "high" or "very high" in 32 states and jurisdictions, as of Dec. 30, according to ...

"Beyond typical flu symptoms like fever, cough and body aches, warning signs include trouble breathing, chest pain, confusion ...

Nipah virus (NiV) is a virus that spreads between animals and people. It is a zoonotic illness that is transmitted to people ...

Nipah virus cases reported in West Bengal; learn about the symptoms, transmission, and public health response measures.

As people test negative for both influenza and coronavirus, doctors are pointing to other possible explanations.

Flu cases are "very high" in Tennessee with outbreaks centered in the eastern part of the state, according to federal and ...

One week into 2026, the U.S. is ringing in the new year with a surge in Flu cases across the nation due to a new variant.

Doctors say a new variant of flu sparking infections across the UK has unique symptoms people should watch out for. The ...

Influenza is on the rise in several states. Here are symptoms to look for if you start feeling under the weather.