title: Isolation of an avirulent influenza virus from a parrot.
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000382:microbiology*; D006389:Hemagglutinins, Viral; D009980:Influenza A virus / Q000302:isolation & purification; D008168:Lung / Q000382:microbiology; D009975:Orthomyxoviridae / Q000276:immunology / Q000302:isolation & purification* / Q000472:pathogenicity; D009976:Orthomyxoviridae Infections / Q000382:microbiology / Q000662:veterinary*; D010311:Parrots; D011563:Psittaciformes; D014132:Trachea / Q000382:microbiology; D014774:Virulence
chemical_list: D006389:Hemagglutinins, Viral