And as one United Airlines passenger recently learned, asking your seatmate to "mask up" could even get you in trouble. In early March, Redditor Lex_Mariner took to the United Airlines subreddit to ...

Birds in the United States can be affected by avian flu, also called H5N1 bird flu or avian influenza. But can it affect your family?

Here are six facts to know about bird flu. 1. Bird flu has not spread from person to person yet, but scientists expect it will. H5N1 is a subtype of influenza A that started in birds and has ...

Birds in the United States can be affected by avian flu, also called H5N1 bird flu or avian influenza. But can it affect your family? Bird flu is caused by avian influenza type A viruses ...

This season's influenza vaccine may have been a poor match to a strain of the flu virus that caused many infections this winter, early data released by the Centers for Disease Control and ...

The CDC estimated in early March that there had been at least 40 million illnesses, 520,000 hospitalizations and 22,000 deaths caused by flu this season.CNN’s Meg Tirrell contributed to this report.

We asked the experts to explain what makes this year's flu season so unusual. Colored scanning electron micrograph (SEM) of H1N1 influenza (flu) virus particle isolated from a lung cell.

On February 19, Tulane University reported that a new variant of the H5N1 strain of avian influenza, also known as bird flu, was found in cows and a dairy worker. But that's not the only bad news.