Evidence suggests that the global swine flu pandemic of 2009 began in central Mexico, according to research supported by the National Institute of Allergy and Infectious Diseases of the National ...

According to Dr. Tom Frieden, Director of the CDC, there is widespread H1N1 activity in 46 states. H1N1 influenza continues to be a disease primarily involving children and young adults. "Many ...

A new analysis suggests H1N1 deaths 15 times higher than lab tests counted. June 25, 2012— -- The swine flu virus, H1N1, may have killed 15 times the number of people counted by the World Health ...

Chinese researchers have discovered a new type of swine flu that can infect humans and has the potential to cause a future pandemic, according to a study released on Monday, though scientists have ...