When it comes to the potential of H5N1 avian flu, otherwise known as bird flu, picking up mutations that may lead to human-to ...

European agencies call for better preparedness and greater information sharing on avian flu as they identify new mutations ...

First discovered in 1878, avian influenza is a viral disease that primarily infects birds, although some strains can spread to and kill mammals, including humans. The H5N1 strain, one of the most ...

According to the CDC, Bird flu is a disease caused by avian influenza A viruses that usually spread between birds, not people. Most human cases of bird flu in the U.S. have been mild so far ...