Isolation of influenza a virus strains from cattle. Preliminary report.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D009975:Orthomyxoviridae / Q000302:isolation & purification*; D009976:Orthomyxoviridae Infections / Q000382:microbiology / Q000662:veterinary*