Meningococcal Vaccine Schedule. Vaccination is the best way to prevent meningitis. There are different types of meningococcal vaccines: MenACWY (conjugate), MenB (serogroup B), and MPSV4 (polysaccharide) vaccines. MenACWY is given to preteens and teens at age 11 or 12 years. A booster dose is needed at 16 years.