Meningococcemia epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]

Epidemiology and Demographics

• Case rate is 1-2 per 100,000 in the US in 1980. More recently, there are approximately 2,500 cases of meningococcal infections per year in the United States.
• Since the introduction of Haemophilus influenzae type b vaccine in 1990 for infants the majority of cases of bacterial meningitis have been in adults; historically 45-87% of cases have been in children.
• Second most common cause of community-acquired adult bacterial meningitis after pneumococcus.
• In West African countries during 1996-1997 there were 213,658 cases and 21,830 deaths due to menigococcal disease.

References

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