Viral respiratory disease.
D000257:Adenoviridae Infections / Q000662:veterinary; D000818:Animals; D007240:Equartevirus; D006566:Herpesviridae Infections / Q000175:diagnosis / Q000517:prevention & control / Q000662:veterinary; D004861:Herpesvirus 1, Equid; D006734:Horse Diseases / Q000175:diagnosis; D006736:Horses; D009980:Influenza A virus; D009976:Orthomyxoviridae Infections / Q000175:diagnosis / Q000517:prevention & control / Q000662:veterinary; D010849:Picornaviridae; D010850:Picornaviridae Infections / Q000662:veterinary; D012141:Respiratory Tract Infections / Q000662:veterinary*; D014777:Virus Diseases / Q000662:veterinary*