title: Geographic dependence, surveillance, and origins of the 2009 influenza A (H1N1) virus.
authors.affiliation: Department of Biomedical Informatics, Center for Computational Biology and Bioinformatics, Columbia University College of Physicians and Surgeons, New York, USA.
authors.forename: Vladimir
authors.initials: V
authors.lastname: Trifonov
authors.forename: Hossein
authors.initials: H
authors.lastname: Khiabanian
authors.forename: Raul
authors.initials: R
authors.lastname: Rabadan
mesh_terms: D000818:Animals; D001426:Bacterial Proteins / Q000235:genetics; D001483:Base Sequence; D004196:Disease Outbreaks; D016679:Genome, Viral; D006389:Hemagglutinins, Viral / Q000235:genetics; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000145:classification / Q000235:genetics*; D009980:Influenza A virus / Q000235:genetics; D007251:Influenza, Human / Q000453:epidemiology / Q000821:virology*; D009439:Neuraminidase / Q000235:genetics; D009711:Nucleotides; D009976:Orthomyxoviridae Infections / Q000662:veterinary / Q000821:virology; D011159:Population Surveillance; D016865:Reassortant Viruses; D013552:Swine
chemical_list: D001426:Bacterial Proteins; D006389:Hemagglutinins, Viral; D009711:Nucleotides; D009439:Neuraminidase