Prevalence and Incidence of Meningitis


About prevalence and incidence statistics: The term 'prevalence' of Meningitis usually refers to the estimated population of people who are managing Meningitis at any given time. The term 'incidence' of Meningitis refers to the annual diagnosis rate, or the number of new cases of Meningitis diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

Incidence (annual) of Meningitis: approximately 25,000 cases of bacterial meningitis annually in USA; 206 annual cases in Victoria 1996 (DHS-VIC)
Incidence Rate: approx 1 in 10,879 or 0.01% or 25,000 people in USA [about data]
Last revision: June 2, 2003

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