NOROVIRUS INACTIVATOR AND METHOD FOR PRODUCING SAME, METHOD FOR INACTIVATING NOROVIRUS, METHOD FOR PRODUCING LYSOZYME COMPONENT FOR NOROVIRUS INACTIVATION USE, PROPHYLACTIC OR THERAPEUTIC AGENT FOR NOROVIRUS INFECTION, AND EXTERNAL PREPARATION FOR SKIN FOR NOROVIRUS INACTIVATION PURPOSES
Provided is a norovirus deactivator, including a lysozyme component that includes at least one kind selected from lysozyme and/or a salt thereof, and a denatured product thereof.