Equine disease surveillance: quarterly summary.
D000818:Animals; D018174:Arterivirus Infections / Q000453:epidemiology / Q000662:veterinary*; D007240:Equartevirus; D004859:Equine Infectious Anemia / Q000453:epidemiology*; D005260:Female; D006734:Horse Diseases / Q000453:epidemiology*; D006736:Horses; D008297:Male; D018571:Sentinel Surveillance / Q000662:veterinary*; D006113:United Kingdom / Q000453:epidemiology