title: [Ecology of influenza viruses: WHO memorandum].
mesh_terms: D000818:Animals; D004197:Disease Reservoirs; D006801:Humans; D009980:Influenza A virus / Q000302:isolation & purification; D007251:Influenza, Human / Q000382:microbiology*; D014944:World Health Organization
vernacular_title: Ecologie des virus grippaux: mémorandum OMS.