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.

In mid March 2009, an unknown virus began spreading in Mexico, and by late April, cases of the H1N1 virus — commonly called the Swine Flu — had been confirmed in the U.S., Canada, Spain and ...

The map below shows where H3N2 strains came from ... including adults who travel and spread it around the world. In contrast, the H1N1 and B flu viruses don't evolve as quickly and tend to infect ...

The authors are grateful to the Council of Scientific and Industrial Research (CSIR-CCMB), India, for encouragement and support for this work. NIH Awards (R37DA025576; R01MH085259) also support SK ...

This is not the first time that health authorities have tracked the emergence of a potential threat to the effectiveness of ...

Here’s what to know about the flu viruses. Influenza A viruses come in many varieties. Four subtypes commonly affect humans, Dr. Lowen said — you may have heard of H1N1, for example.

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

The USDA said Wednesday that there is no risk to the nation's pork supply and that the risk to the public from bird flu remains low. Pigs were the source of the H1N1 flu pandemic in 2009-2010 ...

The public health risk of viruses evolving in pigs is remembered by the medical community and policymakers alike following the 2009 H1N1 influenza virus outbreak, colloquially known as swine flu.

H5N1 bird flu was confirmed in a pig on a backyard farm in Oregon, the first detection of the virus in swine in the country, the U.S. Department of Agriculture said on Wednesday.

The study’s findings are comparable with interim results from the 2023/24 flu season in Europe and North America, where similar effectiveness was observed against A(H1N1)pdm09, although the ...