Weather and BRSV infection.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D012136:Respiratory Syncytial Viruses; D012141:Respiratory Tract Infections / Q000662:veterinary*; D010253:Respirovirus Infections / Q000662:veterinary*; D013696:Temperature; D014887:Weather