How should unopened vials of the Esteve Pharmaceuticals (formerly Intrapharm Laboratories) mifamurtide 4 mg powder for concentrate for dispersion for infusion product be stored?

Store unopened vials of the Esteve Pharmaceuticals (formerly Intrapharm Laboratories) mifamurtide 4 mg product in a refrigerator at 2–8 °C, do not freeze, and keep each vial in the outer carton to protect it from light.