title: Epidemiology of parainfluenza 3 infection in sheep.
mesh_terms: D000818:Animals; D006386:Hemagglutination Tests; D007106:Immune Sera; D009297:Nasal Mucosa / Q000382:microbiology; D009500:Neutralization Tests; D009975:Orthomyxoviridae / Q000302:isolation & purification; D009976:Orthomyxoviridae Infections / Q000175:diagnosis / Q000453:epidemiology* / Q000276:immunology / Q000662:veterinary*; D018184:Paramyxoviridae Infections / Q000453:epidemiology / Q000662:veterinary; D012621:Seasons; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology*; D014481:United States; D014887:Weather
chemical_list: D007106:Immune Sera