The 2009 (H1N1) Pandemic First isolated from humans in Mexico and the USA. Caused approximately 0.5–1 million deaths worldwide. Shared striking similarities with the 1918 pandemic virus.

The process is thought to have produced the 2009 H1N1 swine flu from a mix of U.S. and European strains of pig flu virus, ...

NEW YORK -- A pig at an Oregon farm was found to have bird flu, the U.S. Department of Agriculture announced Wednesday. It's ...

Pigs can become coinfected with bird and human viruses, allowing genes to swap to form a new, more dangerous virus that can ...

Oregon confirms its first human bird flu case, the latest in dozens of cases in the U.S. this year. Experts discuss the ...

A Canadian teen who is in critical condition after contracting H5N1 bird flu was infected with a version of the virus that is different from the one circulating in U.S. cattle.

Pigs were the source of the H1N1 flu pandemic in 2009-2010, and have been implicated as the source of others, said Richard Webby, a St. Jude Children's Research Hospital virologist who studies ...

So far there’s been only one reported human case of bird flu in Texas this year in April and 46 total in the U.S., according ...

The situation is “horrifying,” said Jennifer Nuzzo, director of the Pandemic Center at Brown University ... including one ...

This is due to the high susceptibility of pigs to human and avian influenza viruses, the mixing of which can produce viruses with increased pandemic ... influenza virus strains for binding to ...

The reduction in global travel during COVID-19 offered researchers new insights into influenza spread and mutation. After ...

The seasonal flu places a significant burden on healthcare systems globally, leading to over five million hospitalizations ...