An epornitic of type A influenza virus infection in ducks.
D000818:Animals; D000906:Antibodies / Q000032:analysis; D003168:Complement Fixation Tests; D004372:Ducks; D009975:Orthomyxoviridae / Q000302:isolation & purification; D009976:Orthomyxoviridae Infections / Q000276:immunology / Q000382:microbiology / Q000473:pathology / Q000662:veterinary*; D011201:Poultry Diseases / Q000276:immunology / Q000382:microbiology / Q000473:pathology
D000906:Antibodies