Postepidemic spreading by wild birds of the influenza A virus variant Victoria/75.
D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D001717:Birds / Q000382:microbiology*; D002988:Cloaca / Q000382:microbiology; D004372:Ducks / Q000382:microbiology; D005260:Female; D006814:Hungary; D009980:Influenza A virus / Q000276:immunology / Q000302:isolation & purification*; D010063:Ovum / Q000276:immunology; D012137:Respiratory System / Q000382:microbiology
D000914:Antibodies, Viral