Definition of Meningococcal infection
Meningococcal infection: Infection with the bacterium Neisseria meningitidis. (Neisseria was formerly called Meningococcus and the term "meningococcal" is still entrenched.)
Persons with a meningococcal infection may have any of several acute illnesses, including:
- meningitis and sepsis (blood infection),
- meningitis in the absence of sepsis,
- sepsis in the absence of meningitis,
- a predominantly cutaneous (skin) condition called purpura fulminans, or
- some combination of these conditions.
See also: Meningococcal meningitis; Meningococcal vaccine; Meningococcemia; Meningococcus.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 10/9/2012
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