Recovery of influenza virus from horses in the equine influenza epizootic of 1963.
D000818:Animals; D006386:Hemagglutination Tests; D006734:Horse Diseases / Q000453:epidemiology*; D006736:Horses; D066298:In Vitro Techniques; D009656:North America; D009975:Orthomyxoviridae / Q000302:isolation & purification*; D009976:Orthomyxoviridae Infections / Q000662:veterinary*