Experts reveal the signs that you're no longer at risk of spreading illnesses like COVID, flu and strep throat to others.

We get it, it's the holiday season. No one wants to get family and friends sick -- and no one wants to miss out, either. With COVID rates up across the country, health experts are urging people to ...

Individuals infected with the coronavirus are most contagious once they’ve started displaying symptoms of the illness, but science still isn’t sure whether it can be spread while it’s incubating — and ...

Flu, viral fever, and COVID-19 all cause fever and respiratory symptoms, but key differences in onset, symptom patterns, ...

A new study out of South Korea suggests that people who test positive for COVID-19 a second time may no longer be contagious. For the study, published Tuesday by South Korea's Centers for Disease ...

Flu, COVID and seasonal colds are all circulating this winter, and their symptoms can be surprisingly similar. Here’s how to tell them apart.

Most people have put the COVID-19 pandemic behind them. Infections, vaccinations, or a combination of both have bolstered people's immunity, and while new variants continue to pop up, getting sick ...

For millions of people living with long COVID, symptoms like shortness of breath, mental fog, and deep fatigue continue long ...