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 ...

Those exposed are taking extra precaution to keep the virus from spreading. April 26, 2009— -- When Patrick Henshaw's son became sick last Friday, little did he know that the 18-year-old had ...

The number of Australian cases of the virus, commonly known as swine flu, has reached more than 1,200, with state and federal medical officers set to hold an emergency meeting in ...

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 ...

Dec. 12 -- FRIDAY, Dec. 11 (HealthDay News) -- Swine flu infection rates continue to drop, U.S. health officials said Friday, with only 14 states reporting widespread H1N1 activity, down from 25 ...

WASHINGTON (Reuters) - The H1N1 swine flu virus may have been new to humanity in many ways but in one key feature its closest relative was the 1918 pandemic virus, researchers reported on Wednesday.

BACKGROUND: By this past July, 99 percent of all Americans tested for the flu tested positive for the H1N1 virus. The virus causes symptoms similar to that of regular, or "seasonal" flu, including ...

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

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

How can we monitor the cross-species transmission of avian flu? The answer is FluWarning, a digital system that reports ...