Meningococcal (MPSV4-Menomune) February 28, 2019 admin Vaccines 0 Vaccine Ingredients In addition to the live, attenuated or inactive virus, pathogen or toxoid, the Meningococcal (MPSV4-Menomune) vaccine contains the following ingredients: lactose Mueller Hinton casein agar thimerosal (multi-dose vials) Watson Scherp casamino acid media Source: CDC View manufacturer's package insert