Outbreaks of classical swine influenza in Italy in 1976.
D000818:Animals; D004196:Disease Outbreaks / Q000453:epidemiology / Q000662:veterinary*; D009980:Influenza A virus; D007558:Italy; D009976:Orthomyxoviridae Infections / Q000453:epidemiology / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*