Porcine influenza outbreak.
D000818:Animals; D004196:Disease Outbreaks / Q000662:veterinary*; D009980:Influenza A virus; D009976:Orthomyxoviridae Infections / Q000453:epidemiology / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology* / Q000382:microbiology; D006113:United Kingdom