A revised system of influenza virus nomenclature. A report of the WHO study group on classification.
D000956:Antigens, Viral; D006389:Hemagglutinins, Viral; D009439:Neuraminidase; D009975:Orthomyxoviridae / Q000145:classification* / Q000276:immunology; D009626:Terminology as Topic; D014944:World Health Organization
D000956:Antigens, Viral; D006389:Hemagglutinins, Viral; D009439:Neuraminidase