Public health officials have been warning for some time that nothing about the flu is predictable. But here’s something that is: When it comes to a new strain of the flu like H1N1, which has already ...

The symptoms of pandemic H1N1 influenza of 2009 are essentially the same as the seasonal flu, although some have noted an increased frequency of gastrointestinal symptoms, including vomiting and ...

Swine flu, scientifically known as the H1N1 virus, is making headlines again as cases surge in various parts of the country, ...

WASHINGTON (Reuters) - The new H1N1 swine flu is estimated to have infected about 800,000 people in New York City in the spring, a top U.S. health official said on Sunday, citing a study due to be ...

A new analysis suggests H1N1 deaths 15 times higher than lab tests counted. June 25, 2012— -- The swine flu virus, H1N1, may have killed 15 times the number of people counted by the World Health ...