Add Yahoo as a preferred source to see more of our stories on Google. It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the same.

Illinois is seeing a "notable increase" in hospital admissions for flu cases, according to state health officials, as levels of respiratory viruses continue to tick up. But which type of flu is ...

The United States is in the grip of an aggressive winter flu season, with the U.S. Centers for Disease Control and Prevention (CDC) having recently reported a surge in visits to doctors on a scale not ...

It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the same. There are some notable differences between flu A and flu B strains. On ...

The number of people getting sick with influenza B has gone up for three weeks straight, now making up about a third of flu cases nationwide.

Cases of the flu viruses continue to surge across the U.S. and California, placing a strain on healthcare systems and causing tens of millions of illnesses and thousands of deaths each year. Two ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. As we slowly trudge through winter, respiratory illnesses like COVID-19 ...

It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the same. There are some notable differences between flu A and flu B strains. On ...