Rhinoviruses and parainfluenza viruses of horses.
D000818:Animals; D006385:Hemagglutination Inhibition Tests; D006734:Horse Diseases; D006736:Horses; D009976:Orthomyxoviridae Infections / Q000662:veterinary*; D010849:Picornaviridae; D012141:Respiratory Tract Infections / Q000662:veterinary*; D014777:Virus Diseases / Q000662:veterinary*