How does the meningococcal meningitis vaccine work?

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The meningococcal meningitis vaccine works by introducing proteins from Neisseria mengitidis bacteria to the body's immune system. The immune system recognizes the proteins as foreign and begins to make antibodies against them. The next time the immune system is exposed to any of these proteins, it can immediately begin attacking the bacteria with the antibodies already made and, since the immune system already knows how to make these antibodies, it can make more very fast.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.