Those infected with the flu are most contagious during the first three days, the CDC said. In some cases, however, people can ...

Flu cases are rising across the U.S. Here's what you need to know about symptoms, flu duration and the new strain ...

Norovirus, the highly contagious stomach bug that causes vomiting and diarrhea, is surging again. Here's what to expect and ...

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

As North Carolina illness rates spike post-holidays, here's what to know about the spread of flu, stomach flu and COVID-19.

As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, many Americans will be checking to make sure they don’t have the ...

The world may no longer fully live in the grip of COVID-19, but another heavily contagious disease is currently spreading ...

A poison ivy rash is caused by exposure to urushiol oil found in poison ivy, poison oak, and poison sumac plants. The rash itself is not contagious from person to person. The rash can appear to spread ...

Epstein-Barr virus (EBV) is the main cause of mono, which can last for a few weeks or several months. It spreads mostly through saliva and is usually transmissible for up to 6 months, or in some cases ...

What is yawning? And why do we do so much of it? Neuroscientist and yawn expert Robert Provine says it's "ancient and autonomic." It stems from early evolution and is common to many creatures—even ...