Influenza, commonly called the flu, is a respiratory infection caused by the influenza virus. It is contagious, which means it passes easily from one person to another. Although influenza viruses can ...

When the flu strikes, one of the biggest concerns is how long you might be contagious. Knowing this can help protect your family, friends, and coworkers from catching the virus. This guide from ...

Still, while some Midwest states are seeing a "high" number of influenza cases, according to recent data from the Centers for Disease Control and Prevention, Illinois cases remain "minimal." The ...

Last winter, flu activity broke records in the U.S. And while this flu season is just starting — and it's already shaping up to be another rough one. Flu is picking up steam earlier this year than ...

Flu season is not over yet, experts warn. Is there a second wave coming? Here's how to protect yourself as influenza keeps spreading.

Got the flu? Here’s how long you’re contagious When the flu strikes, one of the biggest concerns is how long you might be contagious. Knowing this can help protect your family, friends, and coworkers ...