Data requirements for the replacement of established master seeds (MS) already used in authorised immunological veterinary medicinal products (IVMPS) by new master seed of the same origin - Scientific guideline

This document applies to the replacement of a vaccine organism (e.g. virus, bacteria, fungus) master seed by a master seed of the same origin. It applies also to the replacement of the master cell seed used to produce a vaccine organism by a master cell seed of the same origin.

Keywords: Master seeds, immunological veterinary medicinal product (IVMP)