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

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

During this week, of the 4,377 viruses reported by public health laboratories, 4,264 and 113 were influenza A and B, respectively. Of the 3,458 influenza A viruses subtyped, 53.7 percent were ...

The CDC confirmed a case of a new strain of bird flu in a dairy worker who contracted the virus from infected cows on a ...

Doctor's visits for flu symptoms are at a 15-year high. Why is this flu season so bad? Doctors discuss flu severity, symptoms and how to stay safe.

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

Health experts said there's a "very high" level of influenza circulating in Maryland, which is responsible for 7 deaths, ...

Agriculture contributes $84 billion to the state’s economy every year and poultry is the largest sector, making up $30 ...

Flu-related hospitalizations are at an all-time high as the virus continues to surge across the state.

Both COVID-19 and Respiratory syncytial virus are occurring at much lower levels than in previous years, though they are ...

Influenza A virus particles strategically adapt their shape -- to become either spheres or larger filaments -- to favor their ability to infect cells depending on environmental conditions, according ...

The Montana Department of Public Health and Human Services is asking Montanans to take precautions to prevent influenza infection.Outbreaks have been reported i ...