A variant of influenza A, H3N2, is spreading across the U.S., with low vaccination rates contributing to infection rates.

Fever, cough and body aches can point to flu, viral fever or Covid. With symptoms overlapping and risks varying, doctors say ...

Flu cases are climbing across the United States as the season reaches its peak, and millions of people may get sick in the ...

Most people with the flu can recover at home, but doctors say certain symptoms mean it’s time to seek medical care.

The “super flu” is a variant of influenza A H3N2 called subclade K. Historically, similar variants have caused more severe ...

The virus is particularly serious for children, with one doctor warning parents too look out for three key symptoms ...

Super flu cases are surging, with symptoms including high fever, severe body aches, extreme fatigue, cough and lingering ...

The flu is early this year, with cases reported throughout the U.S. and around the Western Hemisphere A new subvariant, H3N2, ...

As important as it is to get a flu shot every year, it often hurts to do so. "The flu shot is a shot in which a part of the flu virus, a foreign particle, is injected into the muscle in the upper arm ...

Depending on the underlying virus, the stomach flu can cause symptoms that last for up to a few days at a time. Abdominal pain is a common symptom of stomach flu, but it’s unlikely to last beyond ...

The flu is a disease caused by influenza viruses. The flu can cause serious complications, which can lead to hospitalization and, in some cases, death. However, the flu vaccine can lower your risk of ...

If you have a mild illness like a cold, it’s fine to get a flu shot. If you’re already experiencing flu-like symptoms, like ...