Type-A influenza viruses isolated from wild free-flying ducks in California.
D000818:Animals; D002140:California; D002988:Cloaca / Q000382:microbiology; D004197:Disease Reservoirs; D004372:Ducks; D004531:Eggs; D006385:Hemagglutination Inhibition Tests; D005779:Immunodiffusion; D009975:Orthomyxoviridae / Q000276:immunology / Q000302:isolation & purification*; D009976:Orthomyxoviridae Infections / Q000382:microbiology / Q000662:veterinary; D011201:Poultry Diseases / Q000382:microbiology; D014132:Trachea / Q000382:microbiology