HealthSingle antiviral shot could offer better protection than flu vaccines A long-lasting formulation of an antiviral drug greatly reduced people鈥檚 risk of a symptomatic flu infection in a trial, and should even be effective against new strains News
HealthBird flu may be adapting to become more infectious to humans Three people in North America without known animal exposures have tested positive for the bird flu virus H5N1, and samples from two of them suggest the virus is adapting to humans News