title: Isolation of an influenza A virus strain from a bird embryo (Larus ridibundus) collected in Slovakia.
abstract: Avian influenza virus A/Larus 36/77 (Hav7Nav1) was isolated in 1977 from a trinket (Larus ridibundus) embryo. This result suggests the possibility of vertical transmission of influenza A virus.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000032:analysis; D001717:Birds / Q000196:embryology / Q000382:microbiology*; D003604:Czechoslovakia; D004463:Ecology; D000939:Epitopes; D009980:Influenza A virus / Q000276:immunology / Q000302:isolation & purification*
chemical_list: D000956:Antigens, Viral; D000939:Epitopes