Flu (Influenza)
Find the latest stories, news, and expert advice about influenza, including medical research on symptoms, treatment, and prevention.
More on Infectious Diseases

Your Top Flu Questions, Answered by Doctors
This flu season looks different than last year (with COVID-19 tagging along). Here’s how to prepare.

Worst Flu Season Ever?
We hate to be the bearers of bad news, but this is shaping up to be another crazy-bad flu season. Check out these tips to stay healthy.

5 Things People With Chronic Illness Need to Know About the New Coronavirus
Sure, the headlines might be freaking you out. But, thankfully, the risk of exposure to this new virus is still super low.

Coronavirus vs. Other Pandemics: What’s the Difference?
Here’s how COVID-19 compares to other global outbreaks (and why it may be okay to worry a little less).

How to Tell the Difference Between the Flu and the Coronavirus
With COVID-19 hitting the U.S. at peak flu season, it’s no wonder some confusion has ensued.

Should I Exercise When I'm Sick?
Some people believe in sweating out the sickness — but is it safe?

Vaccinating Safely With Rheumatoid Arthritis
If you have rheumatoid arthritis, these are the three vaccines you should get, and the ones you should avoid.

4 Ways to Boost Your Immune System
With these simple strategies you can increase your chances of staying healthy during cold and flu season.