Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what symptoms to watch for and how to protect yourself.

Flu levels are rising once again across the United States, with emergency department visits increasing among children over 5, ...

Florida reported 20 outbreaks of flu in 12 counties Jan. 4-10. What to know about symptoms, when to call a doctor.

This year's flu has the classic symptoms: fever, body aches, runny or stuffy nose, cough, chest congestion, headache, sore ...

Adenovirus is especially common in the colder months when people spend more time indoors, and it could have some serious and ...

The flu epidemic continues to go down. The positivity rate and other benchmarks for the week ending on Jan. 24 have dropped ...

Subclade K (previously known as J.2.4.1) is gaining attention because it appears to be spreading much earlier in the flu ...