See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The United States is in the grip of an aggressive winter flu season, ...

Influenza A causes a cough, fever, and nasal congestion. You can avoid spreading the virus by staying home for at least 24 hours after the fever goes away. Most cases resolve within two weeks with ...

Doctors and scientists say this year's influenza season could be tougher than usual. A new version of the flu virus, called H3N2, is spreading quickly. At the same time, fewer people are getting flu ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. We've all heard of "the flu" but when it comes to types, subtypes and ...

The stomach flu is an infection of the stomach or intestines, but influenza is an infection of the nose, throat, or lungs. Your symptoms can help you determine which one you have. The flu and stomach ...