The United States faces an extraordinary flu season as research uncovers unprecedented adaptations in the influenza A virus. This evolution has contributed to a significant surge in infections, ...

Here’s what medical experts say could be behind the recent rise of influenza cases in Japan, India, Singapore, Thailand, and ...

A new study of the strain of influenza A responsible for the 2009 H1N1 pandemic - pdm09 - shows that the virus has passed from humans to swine about 370 times since 2009, and subsequent circulation in ...

Federal scientists are closely studying H5N1 genetic sequences from California dairy workers in search of any dangerous mutations that may make the virus, called avian flu or bird flu, more dangerous ...

Share on Facebook. Opens in a new tab or window Share on Bluesky. Opens in a new tab or window Share on X. Opens in a new tab or window Share on LinkedIn. Opens in a new tab or window The demand for ...

The H5N1 Type A influenza, commonly known as bird flu, is mutating faster in countries that have been implementing wide-scale, but incomplete, vaccinations of poultry, according to a report published ...

This variant has mainly affected cattle, but researchers said it could have changed from an animal-only pathogen to one being able to spread among humans.