Swine influenza. 2009 flu pandemic, Orthomyxoviridae, Influenza A virus subtype H1N1, Influenza A virus subtype H3N2, Veterinary pathologist, Centers for Disease Control and Prevention, Food and Drug Administration (United States), Oseltamivir, Antiviral drug, 2009 flu pandemic in the United States, Influenza-like illness, Influenzavirus A.