Ecological aspects of influenza A viruses in animals and their relationship to human influenza: a review.
D000818:Animals; D000829:Animals, Domestic; D001715:Bird Diseases / Q000635:transmission; D001717:Birds; D004196:Disease Outbreaks; D004463:Ecology; D006734:Horse Diseases / Q000635:transmission; D006736:Horses; D006801:Humans; D009980:Influenza A virus / Q000235:genetics / Q000302:isolation & purification; D007251:Influenza, Human / Q000382:microbiology / Q000635:transmission* / Q000662:veterinary; D013552:Swine; D013553:Swine Diseases / Q000635:transmission; D015047:Zoonoses / Q000635:transmission