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Neisseria Meningitidis

Topic Overview

Meningitis caused by Neisseria meningitidis is sometimes referred to as meningococcal disease.

Some people have Neisseria meningitidis in their throats without getting sick. But they can pass it to another person, who may get sick.

Neisseria meningitidis causes meningitis in about 25 out of 100 people who get the illness every year in the United States.footnote 1

Neisseria meningitidis also can cause outbreaks of meningitis. Outbreaks are most common outside the U.S.

If you are planning foreign travel, particularly to sub-Saharan Africa, talk with a doctor about getting the Neisseria meningitidis vaccine. Small outbreaks occur every year in the U.S.

The Centers for Disease Control and Prevention (CDC) recommends that all children, starting at age 11 or 12, get 2 doses of meningococcal conjugate vaccine. But children who are at high risk for severe problems from meningitis may also need a series of vaccines and boosters before age 11 or 12. The vaccine protects against certain strains of Neisseria meningitidis. For more information, see the topic Immunizations.

People who have contact with someone with a Neisseria meningitidis infection may need to take a course of antibiotics to prevent the infection from spreading.

Related Information

References

Citations

  1. Roos KL, Tyler KL (2015). Meningitis, encephalitis, brain abscess, and empyema. In DL Kasper et al., eds., Harrison's Principles of Internal Medicine, 19th ed., vol. 2, pp. 883?906. New York: McGraw-Hill Education.

Credits

Current as of: September 23, 2020

Author: Healthwise Staff
Medical Review: E. Gregory Thompson MD - Internal Medicine
Adam Husney MD - Family Medicine
W. David Colby IV MSc, MD, FRCPC - Infectious Disease

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