. "Influenza A virus (STRAIN A/SINGAPORE/1/57)"^^ . "NCBITaxon:220949"^^ . "Influenza A virus (A/Singapore/1/57(H2N2))"^^ . "NCBITaxon:139289"^^ . "NCBITaxon:11463"^^ . "GC_ID:1"^^ . "Influenza A virus (A/Singapore/1/57 (H2N2))"^^ . . "Influenza A virsu (A/Singapore/1/1957(H2N2))"^^ . "Influenza A virus (A/Singapore/1/1957(H2N2))"^^ . "ncbi_taxonomy"^^ .