For many people, the immune system can clear those symptoms in about a week. But for others, flu can lead to severe illness, ...

No matter how well you brush your teeth or how many breath mints you pop, you can’t quite seem to shake that stubborn case of ...

Avian influenza H5N1 infection in humans has spread to seven U.S. states, growing from 46 cases last week to 52 cases this week.

While symptoms of the flu and COVID are similar, the viruses that cause each illness are different. New tests this winter ...

Talbot noted that “we expect usual viral colds to go away after a few days,” but this illness typically persists for a longer period. “If your child is with fever, with fatigue, coughing, producing ...