A seasonal flu virus suddenly mutated in the summer. It appears to evade some of our immunity, has kick-started a flu season ...

May 21 -- THURSDAY, May 21 (HealthDay News) -- Some older people may have partial immunity to the new H1N1 swine flu virus because of possible exposure to another H1N1 flu strain circulating prior to ...

The United States may be headed for a rough flu season, with a virus that causes more severe symptoms than the one last year ...

Massachusetts could be headed for a sharp uptick in flu cases in the coming weeks, public health experts warn, as a newly ...

Pigs could play a key role in ending the flu as we know it. That’s the message behind new research testing a computer-designed vaccine that protects swine from flu—and may one day do the same for ...

May 12 -- MONDAY, May 11 (HealthDay News) -- As the swine flu continues to spread across the United States -- and most cases continue to be mild -- federal health officials said Monday that they're ...

Vermont added only 9 positive flu tests in Friday's report, but those numbers will increase. Health officials are suggesting ...

It's the season for state and county fairs, and health officials are reminding fairgoers to be careful around pigs because of a new flu spreading from the animals to people. Officials say 29 human ...

Nineteen-year-old U.S. Army Pvt. David Lewis set out from Fort Dix on a 50-mile hike with his unit on Feb. 5, 1976. On that bitter cold day, he collapsed and died. Autopsy specimens unexpectedly ...