title: Type A influenza virus strains isolated from free living ducks in Czechoslovakia during 1978-1981.
abstract: Eight influenza virus A strains were isolated from 269 cloacal swabs taken from wild ducks (Anas platyrhynchos), shot during their autumn migrations in the years 1978-1981. One strain was identified as subtype A-H3N8N6 (Hav7Neq2Nav1), the remaining seven as subtype A-H4N6 (Hav4Nav1).
mesh_terms: D000818:Animals; D000835:Animals, Wild / Q000382:microbiology; D003604:Czechoslovakia; D004372:Ducks / Q000382:microbiology*; D009980:Influenza A virus / Q000302:isolation & purification*; D013997:Time Factors