BIRNA VIRUS SUBUNIT VACCINE

摘要

PROBLEM TO BE SOLVED: To obtain a safe birna virus subunit vaccine having high efficacy. SOLUTION: This birna virus antigen material is the one expressed in an infected host by infecting a host selected from the group consisting of a cell derived from an insect, and the insect, with a recombinant baculovirus having a cDNA fragment of birna virus structural gene segment A integrated with a promoter region of a polyhedrin structural gene of the baculovirus in a state in which the promoter functions. The birna virus subunit vaccine contains this material.