A recombinant transfer vector capable of expressing a foreign gene fused to a viral gene under the control of dual promoters and a recombinant baculovirus, and methods for production thereof, as well as pharmaceuticals comprising the recombinant baculovirus as an active ingredient.本發明係有關於一種在雙啟動子之調控下可表現融合於病毒基因的外來基因重組轉移載體、重組桿狀病毒及其等之製造方法,以及將該重組桿狀病毒作為有效成分之藥品。