Scientists investigating how influenza viruses replicate within cells "accidentally" discovered that different flu viruses ...

Researchers accidentally find that H3N2 and H1N1 flu strains use different strategies to enter cells, revealing new paths to ...

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 ...

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 ...

Prior exposure to one strain of influenza virus may weaken children's ability to mount an effective antibody response against their subsequent exposure to a different flu strain, according to a study ...

May 20, 2009 (San Diego, California) — In a special panel session here at ATS 2009: the American Thoracic Society International Conference, experts and public-health officials discussed the current ...

Pre-existing immunity against seasonal H1N1 flu might help explain why most reported human cases of H5N1 bird flu in the U.S. have not resulted in lethal outcomes. Pre-existing immunity against ...

KOCHI: Raising concerns, Kochi reported an H1N1 death on Wednesday. The patient, a 65-year-old woman resident of Palarivattom ...

Could your previous flu infection protect you from bird flu? Scientists find that immunity to 2009 H1N1 slashes the risk of severe H5N1 illness, even after close contact exposure. Study: Preexisting ...

The United States is currently facing the worst flu season in over 15 years, with cases surging in most states. Over 33 million Americans have gotten sick this season so far, and elevated flu activity ...