Definition of Neisseria Meningitidis

Reviewed on 2/25/2022

Neisseria meningitidis is a type of bacteria that cause meningococcal disease, also known as meningococcus, that can cause severe infections in humans. The infection spreads among people by respiratory secretions. Meningococcus most commonly causes one of two types of illness: bloodstream infection (septicemia) or meningitis. Symptoms and signs of meningococcal meningitis include

Symptoms and signs of septicemia include

There are two vaccines available against N. meningitidis that protect against the main forms of the virus present in the U.S.

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References
United States. Centers for Disease Control and Prevention. "Meningococcal Disease." Feb. 7, 2022. <https://www.cdc.gov/meningococcal/index.html>.

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