A member asked:

Can you tell me how much time is meningococcal meningitis vaccine effective for?

A doctor has provided 1 answer
Dr. Jay Park answered

At least 4 yrs : Conjugated Meningococcal vaccine provides protection for 4+ years. To maintain a protective level of antibody to a longer period, a booster dose is necessary.

Answered 3/15/2017

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