The epidemiology of influenza as a zoonosis.
D000818:Animals; D000835:Animals, Wild / Q000382:microbiology; D001188:Artiodactyla / Q000382:microbiology; D001715:Bird Diseases / Q000382:microbiology; D001717:Birds; D002335:Carnivora / Q000382:microbiology; D002417:Cattle; D006734:Horse Diseases / Q000382:microbiology; D006736:Horses; D006801:Humans; D005585:Influenza in Birds / Q000382:microbiology; D007251:Influenza, Human / Q000453:epidemiology / Q000382:microbiology; D009975:Orthomyxoviridae / Q000648:ultrastructure; D009976:Orthomyxoviridae Infections / Q000453:epidemiology / Q000382:microbiology / Q000662:veterinary*; D011200:Poultry; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology / Q000382:microbiology; D015047:Zoonoses