Norovirus can strike suddenly, leaving you feeling nauseous and exhausted. Here's what to know if it hits you this winter.

Plus, when it’s time to see a doctor.

When we were first introduced to COVID-19, the idea that a viral infection could cause so much damage and leave lingering symptoms for weeks or months shocked everyone. And that is what caused the ...

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

Although there are some products on the market that can work, many cold and flu medicines do very little. Most of the time, you're better off focusing on sleep and diet. Here are several cold and flu ...