"The flu" has several strains, with flu A and flu B considered the most common and most severe. Here's what to know as flu ...

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 winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

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 ...

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 ...

Flu symptoms typically lasts at least five days and up to two weeks. Some symptoms, like a cough, may persist even longer ...

Flu cases are climbing across the United States as the season reaches its peak, and millions of people may get sick in the ...

Crude mortality was greater for SARS-CoV-2 than for the other viruses studied (influenza A/B, RSV, rhinovirus, hMPV), which all had similar crude mortality rates. Mortality at 30 days for respiratory ...

Flu season is starting to tick up in the U.S. And, looking at clues from other countries, we may be in for a rough winter. But not all influenza is the same. And there are some notable differences ...