Flu A and flu B are two different strains of influenza, explains Thomas Russo, M.D., professor and chief of infectious ...

More than 2,462 patients were in hospital with flu each day at the start of February, with 122 in critical care.

and do these types of flu have the same symptoms? Here's what to know about the flu viruses. This pie chart shows the number of flu cases reported nationwide for a three-week period ending on Jan ...

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

and do these types of flu have the same symptoms? Here's what to know about the flu viruses. Influenza activity is high and increasing in California, according the California Department of Public ...

Specifically, the CDC notes that H1N1- and H3N2-related variants, both type A flu strains, are the predominant flu viruses circulating this season. But what does it mean to have a flu A or flu B ...

More than 80 domestic cats have been confirmed to have had bird flu since 2022. Experts say there's a risk that cats could ...

Flu deaths have surpassed COVID-19 in California for the first time since the pandemic, with concerns over low vaccination rates and a likely severe flu season.

Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in ...

A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture announced.

A new strain of the H5N1 bird flu virus was detected in dairy cows, but the risk of human transmission remains low. The ...