The virus is an influenza A virus, carrying the designation H1N1. It contains DNA from avian, swine and human viruses, including elements from European and Asia

The virus is an influenza A virus, carrying the designation H1N1. It contains DNA from avian, swine and human viruses, including elements from European and Asian swine viruses, said the CDC, which is already working on a vaccine. - http://www.reuters.com/article/domesticNews/idUSTRE53N22820090424 http://www.reuters.com/article/domesticNews/idUSTRE53N228200...