Flu

Simply standing back when someone coughs or sneezes won't necessarily protect you from the flu — the virus can spread just by breathing.

A single vaccine seemingly protects against multiple strains of flu.

This year's flu season is off to a killer start — literally.

Tamiflu can sometimes cause psychosis. You should probably still take it if your doctor prescribes it.

Flu season is off to an early — and severe — start, with rates of hospitalizations and deaths from flu higher than what's typical for this time of year.

Every year the common virus is lethal to many. What happens inside the body that results in death?

When a man complains of cold or flu symptoms, it may not be fair to dismiss his laments as simply a case of "man flu."

Flu season is underway in the United States, and a new report shows that flu activity is already higher than typical for this time of year.

U.S. health officials said they are concerned the upcoming flu season could be a bad one, based on reports from the Southern Hemisphere.