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 60% of bacterial meningitis in people between the ages of 2 and 20. It is the source of meningitis in about 25% of the people who get the illness every year in the United States.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 adolescents get 2 doses of meningococcal conjugate vaccine.2 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.
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