Yes, Repeating Meningitis Vaccine is Recommended in Specific Situations
Repeat meningococcal vaccination is strongly recommended for persons who remain at prolonged increased risk for meningococcal disease, as well as for routine adolescent boosters. 1
Routine Adolescent Booster Vaccination
For healthy adolescents, the standard schedule includes:
- Primary MenACWY dose at age 11-12 years
- Booster dose at age 16 years (if first dose given before 16th birthday) 1
This booster recommendation was implemented because vaccine effectiveness wanes over time—dropping from 79% in the first year to 61% at 3-8 years post-vaccination 2. The age 16 booster ensures protection extends through the high-risk late adolescent and young adult years.
High-Risk Populations Requiring Repeated Boosters
Persons at prolonged increased risk require repeated booster doses every 3-5 years depending on age at vaccination 1. These high-risk groups include:
- Persistent complement component deficiencies (C3, properdin, Factor D, late complement deficiencies)
- Complement inhibitor use (e.g., eculizumab)
- Anatomic or functional asplenia
- HIV infection
- Microbiologists routinely working with Neisseria meningitidis
- Travelers to or residents of hyperendemic/epidemic areas
Booster Timing for High-Risk Individuals
The interval depends on age at previous vaccination 1, 3:
- If vaccinated at age ≥7 years: Booster every 5 years
- If vaccinated at ages 2-6 years: Booster every 3 years
For example, a child with HIV who received MenACWY at age 9 years should receive the next dose at age 14 years (5 years later), not following the routine adolescent schedule 1.
MenB Vaccine Boosters
For serogroup B vaccines, boosters are not routinely recommended for healthy adolescents unless they become at increased risk 1. However, for persons at increased risk (same high-risk groups as above):
- Booster doses are recommended if they remain at prolonged increased risk
- Timing: Generally ≥1 year after primary series completion 1
- During outbreaks, intervals as short as 6 months may be considered 1
Important Caveats
Many of these booster recommendations are off-label use 1:
- Repeated booster doses beyond the first booster
- Booster doses in children aged <15 years
- Booster doses at intervals <4 years
Despite being off-label, these are official ACIP recommendations based on the high risk for meningococcal disease in these populations and evidence of waning immunity 1.
College Students
First-year college students living in residence halls need at least one dose within 5 years before college entry, preferably on or after their 16th birthday. If they only received one dose before age 16, they need a booster before enrollment 1.
Clinical Pitfall to Avoid
Do not confuse the routine adolescent schedule with the high-risk schedule. A common error is giving high-risk children the routine age 16 booster when they actually need boosters every 3-5 years based on their underlying condition. Always identify if the patient has a high-risk condition and follow the appropriate booster schedule from the time of initial vaccination 1.