Swine Flu Not As Infectious Among Young Adults As First Feared
Swine Flu Not As Infectious Among Young Adults As First Feared
People aged 19 and older show more immunity to H1N1 swine flu than was initially believed, a new study finds.
Researchers from the U.S. Centers for Disease Control and Prevention and Imperial College London tracked the spread of H1N1 influenza in 216 households that included a [...]