AlaskaAmerican Native Continental Ancestry GroupInuitsIndians, North AmericanNorth AmericaArctic RegionsSouthwestern United StatesTobacco UsePopulation GroupsAfrican AmericansNorth CarolinaPrevalenceUnited StatesAsian AmericansNorth SeaIndiaPhylogenyMexican AmericansHispanic AmericansCanadaEuropean Continental Ancestry GroupIndians, South AmericanNorth DakotaSouth AmericaGeographyIndian OceanEuropeGenetic VariationUnited States Indian Health ServiceMolecular Sequence DataRisk FactorsSequence Analysis, DNABisonGenotypeArizonaPhylogeographyCentral AmericaAfrican Continental Ancestry GroupBirdsIndians, Central AmericanAmerican SamoaPorcine Reproductive and Respiratory SyndromeAmerican Heart AssociationEthnic GroupsHaplotypesAtlantic OceanFossilsCaryaSocieties, MedicalAnimal MigrationSpecies SpecificityNew BrunswickNew MexicoQuestionnairesDNA, MitochondrialTime FactorsGenetics, PopulationLentiviruses, Ovine-CaprineEcosystemPorcine respiratory and reproductive syndrome virusIntroduced SpeciesEncephalitis Virus, Eastern EquineMexicoPolymorphism, Single NucleotideDemographySouth DakotaEvolution, MolecularSex FactorsBiological EvolutionIncidenceBase SequenceAfrica, NorthernIndian Ocean IslandsClimateCohort StudiesGene FrequencyPopulation DynamicsSeasonsAmericasMicrosatellite RepeatsPolymerase Chain ReactionPaleontologyAsiaCross-Sectional StudiesDNA, Ribosomal SpacerPanaxSocioeconomic FactorsEncephalomyelitis, Eastern EquineBird DiseasesAge FactorsEmigration and ImmigrationOklahomaDinosaursCoyotesPolymorphism, GeneticRetrospective StudiesContinental Population GroupsMontanaGenetic Predisposition to DiseaseBiodiversity