A new mRNA vaccine against the flu has proven itself more effective than existing vaccines in a new clinical trial. The ...

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 ...

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 ...

Hundreds of people in the St. Louis area will be among the first to get the new swine flu vaccine. In hopes of avoiding a nasty flu season this winter, scientists at St. Louis University will test ...

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 ...

New research reveals that the bird flu viruses may be capable of replicating at temperatures higher than an average fever, a ...

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 ...