Influenza is on the rise in several states. Here are symptoms to look for if you start feeling under the weather.

A new variant of the flu, dubbed by some as a super flu, is spreading across the United States. A new variant of the flu, ...

The hustle and bustle of the holidays may be behind us, but we’re in peak flu season in Florida and other contagious viruses.

Influenza is on the rise. Flu activity was "high" or "very high" in 32 states and jurisdictions, as of Dec. 30, according to ...

Norovirus is the country's leading cause of vomiting, diarrhea, and foodborne illness, and right on schedule, it's picking up ...

Scientists have warned H5N1 bird flu could make a dangerous leap to humans, triggering a global health crisis.

Stuffy noses and bothersome coughs aren’t the only winter illness symptoms making the rounds right now. Lots of people are also getting sick with norovirus, an unpleasant stomach bug. The highly ...

Dianna Gunn built her first WordPress website in 2008. Since then, she's poured thousands of hours into understanding how websites and online businesses work. She's shared what she's learned on blogs ...

Nearly all adults carry Epstein–Barr virus—but new research reveals how it can hijack immune cells, sparking a chronic disease that attacks the body from within. This colorized transmission electron ...

Symptoms of Zika virus are typically mild and may include fever, rash, and joint pain. For most people, symptoms are not harmful, but the virus can lead to serious complications if you’re pregnant.

One of the most common viruses in the world could be the cause of lupus, an autoimmune disease with wide-ranging symptoms, according to a study published Wednesday. Until now, lupus was somewhat ...

Penn State scientists uncovered an ancient bacterial defense where dormant viral DNA helps bacteria fight new viral threats. The enzyme PinQ flips bacterial genes to create protective proteins that ...