HorsesNorth AmericaSouth AmericaAmericasLatin AmericaCentral AmericaAnimals, WildPhylogenyEquidaeCaribbean RegionAfrican horse sickness virusMolecular Sequence DataGeographyLameness, AnimalGenetic VariationAsiaArgentinaSequence Analysis, DNAColicHistory, AncientEuropePan American Health OrganizationMutationAnimals, DomesticPerissodactylaPhylogeography