A surprising flu experiment shows that good airflow and fewer coughs can stop the virus from spreading, even up close.

A group of volunteers spent days locked in a small hotel room with people actively infected with flu. They played games, ...

Tis the season for cooler temps, shorter days and cozy nights by the fire. Unfortunately, this time of year also marks the ...

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 ...

Those infected with the flu are most contagious during the first three days, the CDC said. In some cases, however, people can spread the flu even before experiencing symptoms or up to five to seven ...

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

For years, scientists have warned that bird flu - better known as H5N1 - could one day make the dangerous leap from birds to humans and trigger a global health crisis. Avian flu - a type of influenza ...

Flu season in the U.S. is particularly bad this year, and a new branch of the flu family tree may be to blame.