Coughs and grunts.
D000818:Animals; D000956:Antigens, Viral; D004196:Disease Outbreaks; D004197:Disease Reservoirs; D005060:Europe; D006389:Hemagglutinins, Viral; D006723:Hong Kong; D006801:Humans; D007251:Influenza, Human / Q000382:microbiology* / Q000662:veterinary; D009975:Orthomyxoviridae; D013552:Swine; D013553:Swine Diseases / Q000382:microbiology*; D006113:United Kingdom; D014481:United States
D000956:Antigens, Viral; D006389:Hemagglutinins, Viral