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 vaccinated.

It's the time of sneezing, coughing, hacking and wheezing. Cases of the flu are surging throughout much of the United States as the new year begins. In its latest Influenza Surveillance Report, ...

Learn more about seasonal flu, including where to get a flu vaccine and how to treat seasonal flu.

Amid a severe flu season, the CDC ends its universal flu shot recommendation for kids. Experts explain why this is dangerous ...

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