. . "I73A6" . . . . . . "Influenza A virus (A/Dunedin/4/73(H3N2))" . "Influenza A virus (A/Dunedin/4/73)" . "Influenza A virus (STRAIN A/DUNEDIN/4/73)" . "false"^^ . "true"^^ . "Influenza A virus (strain A/Dunedin/4/1973 H3N2)" .