Meningococcal (MenACWY-Menveo) February 28, 2019 admin Vaccines 0 Vaccine Ingredients In addition to the live, attenuated or inactive virus, pathogen or toxoid, the Meningococcal (MenACWY-Menveo) vaccine contains the following ingredients: amino acids CY medium formaldehyde Franz complete medium yeast extract Source: CDC View manufacturer's package insert