Influenza, commonly known as the flu, is a highly contagious respiratory illness caused by influenza viruses. For most ...

Dear A.T.R.: Both colds and influenza (the "flu") are respiratory illnesses that are caused by viruses. Influenza is caused ...

Influenza viruses are shifty entities. They accumulate small genetic changes on a regular basis, necessitating yearly updates to the flu vaccines because the prior year’s strain may not look much like ...

Experts warn about the possibility of a new pandemic in 2025 as the H5N1 bird flu virus spreads across all 50 states, impacting US dairy farms and leading to human infections. Here's what to know.

Experts urge people to watch for red-flag symptoms like breathlessness and chest pain, seek early medical help, and follow hygiene and vaccination measures ...

Equine influenza virus (EIV) remains a significant global pathogen, inciting recurrent outbreaks of respiratory disease among equid populations and, on occasion, crossing species barriers. Research in ...

In recent months, Americans looking for eggs have faced empty shelves in their grocery stores. The escalating threat of avian flu has forced farmers to kill millions of chickens to prevent its spread.

The United States is in the grip of an aggressive winter flu season, with the U.S. Centers for Disease Control and Prevention (CDC) having recently reported a surge in visits to doctors on a scale not ...

A past pandemic was narrowly avoided—can the U.S. dodge another as a new strain spreads? Alexandra M. Lord, Curator of Medicine and Science In recent months, Americans looking for eggs have faced ...

Editor’s note: The views expressed in this commentary are solely those of the writer. CNN is showcasing the work of The ...