China says G4 swine flu virus not new; does not infect humans easily
(World News Science)

China`s Ministry of Agriculture and Rural Affairs said on Saturday that the so-called `G4` strain of swine flu virus is not new and does not infect or sicken humans and animals easily, rebuffing a study published earlier this week. That study, by a team of Chinese scientists and published by the U.S. journal Proceedings of the National Academy...