The flu, or influenza, is a viral disease of the respiratory tract—the nose, throat, bronchial tubes and lungs—and is highly contagious. A cold is a less severe viral infection, and often includes a runny nose, sneezing and coughing. Unlike flu, colds typically don't cause fever. READ MORE

14 Important Things to Know About Coronavirus

The coronavirus has reached the U.S. and is spreading, with no vaccine or cure yet, which makes it worrisome. Knowing the facts can help you be prepared and not panic.

Your Health

There's a Virus Spreading in U.S. That's Killed 10,000: The Flu

Folks fretting about the coronavirus are forgetting that the flu is already running rampant in the United States, one that's killed nearly 20 times as many people in this country alone.

Flu/Colds

Q&A With a Flu Virus

If you really want to know what a flu virus is like, check out this Q&A for answers to all your questions.

Flu/Colds