The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

U.S. medical services providers are seeing the greatest numbers of flu cases since the 2009-2010 flu season, the Centers for ...

Although COVID-19 and RSV cases appear ... adults got flu shots this winter, the AP reported. Children's vaccinations dropped from 50% to 45%. It is unclear how successful this year's flu vaccine ...

While we often refer to it as "the flu," the influenza virus has several strains, with flu A and flu B considered the most ...

While we often refer to it as "the flu," the influenza virus has several strains, with flu A and flu B considered the most ...

“This year's flu shot is on the lower end of that range — so probably closer to 40 percent.” Because flu season can extend into May or even June in some cases, there’s still plenty of time ...

More than 156 million chickens, ducks, turkeys and other fowl have been slaughtered across the United States since the ...

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

Flu season is hitting North Texas hard. FOX 4's Lori Brown spoke to a family whose 7-year-old son was hospitalized with ...