All viral activity benchmarks have gone down, except for a slight increase in the death rate. Here's what to know about the state of the flu season.

Nearly 9,000 flu cases reported in New Jersey as of the week ending Jan. 3. Here’s what to know about the H3N2 epidemic.

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

Dr. Chmelicek says it’s not uncommon to see a secondary infection as the flu impacts the upper respiratory area of the body.

Flu season in the U.S. is particularly bad this year, and a new branch of the flu family tree may be to blame. If it feels ...

If you test positive for the flu at your doctor’s office or with an at-home influenza test kit, there are many treatments.

U.S. flu infections are showing signs of a slight decline, but health officials say it’s not clear that this severe flu ...

It is definitely still worth getting a vaccine. If H1N1 comes around, you can get infected with that one or even a second ...

The common cold and cough, and influenza (flu) infections, which are usually considered minor ailments, are now raising new concerns. Last year, several countries, including the US and UK, saw a ...

Is this flu season actually worse than usual? Experts and readers weigh in. The post Massachusetts residents describe a ...

California officials warn of an increase in flu-related hospitalizations and confirm a second severe-flu-related death.

The flu is notorious for being easy to contract from nearby people dealing with an infection, so why didn't anyone in this ...