A C168696 CBDD Process Terminology C175899 Vectorization for Viral Replication Attenuation Attenuation by vectorization The reduction of viral replication capacity through the directed insertion or deletion of genetic material into or from the viral genome. Activity A C168696 CBDD Process Terminology C175901 Chemical Inactivation Chemical inactivation The use of a chemical agent to eliminate the activity of some entity. Activity A C168696 CBDD Process Terminology C175902 Ultraviolet Irradiation Inactivation Ultraviolet irradiation inactivation The use of ultraviolet radiation to eliminate the activity of some entity. Activity