REMEDIES FOR HERPESVIRUS INFECTION CAUSED BY HERPESVIRUS AND PREVENTIVES FOR RECURRENCE OF THE INFECTION BOTH CONTAINING TRITERPENE DERIVATIVES AS THE ACTIVE INGREDIENT

摘要

Novel remedies for herpesvirus infection and preventives for the recurrence of the infection derived from crude drugs which are free from any problems of the appearance of strains tolerant thereto or side-effects observed in the conventional anti-herpesviral agents comprising nucleic acid derivatives and thus can be administered over a long time. The remedies and preventives each contain as the active ingredient 3-oxo-olean-18-en-28-oic acid represented by formula (I).