The risk of respiratory syncytial virus, or RSV, is on the rise, along with that of other illnesses including the flu, stomach flu and COVID-19.

Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United ...

To round out the name, the viruses are given an H and N number to indicate a subtype. A full name might then look like this: ...

Genetic analysis of H5N1 bird flu virus that infected a Canadian teenager shows 'worrisome' mutations, new studies reveal.

As flu season ramps up in the U.S., influenza is not as simple as it first appears, with several different strains in play.

Most human cases of bird flu in North America have been mild, a fact that’s underscored by a new study of the first 46 ...

So far, the H5N1 virus isn't transmitted between people — but the CDC has found a mutation in a human case "concerning." ...

"Nobody wants another pandemic." "Bird flu is a group of influenza viruses that primarily circulate among bird populations," she told Fox News Digital. "However, influenza viruses are also known ...

Holidays are upon us — and so is the flu. More Americans are getting infected with seasonal influenza and seeking care, according to Centers for Disease Control and Prevention data.

So yeah, we are certainly in flu season now,” said Alicia Budd, an epidemiologist in CDC’s Influenza Division. At least nine children have died from influenza this season. LIGHTFIELD STUDIOS ...

Most seasonal flu viruses are influenza type A, which usually start earlier in the season, with type B viruses circulating later in the winter. Currently, A viruses of H1N1 and H3N2 are ...

Bird flu, also called avian influenza, is a viral infection that can cause flu in birds and sometimes spread to mammals, including humans. Migrating waterfowl (wild ducks, geese, and storks ...