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 ...

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 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 ...

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

The CDC is preparing for the potential spread of H1N1 swine flu viruses in China that have “pandemic potential,” according to the American Hospital Association. The “G4” Eurasian avianlike H1N1 ...

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 ...

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

ATLANTA — The swine flu virus that has frightened the world is beginning to look a little less ominous. New York City officials reported Friday that the swine flu still has not spread beyond a few ...

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

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.