What is the prevalence of aseptic meningitis?

Updated: Jul 17, 2018
  • Author: Tarakad S Ramachandran, MBBS, MBA, MPH, FAAN, FACP, FAHA, FRCP, FRCPC, FRS, LRCP, MRCP, MRCS; Chief Editor: Niranjan N Singh, MBBS, MD, DM, FAHS, FAANEM  more...
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Viral meningitis is a relatively common disorder. In Olmsted County, Minnesota, the incidence of viral meningitis was 10.9 per 100,000 person-years from 1950 to 1981, with most cases occurring in the summer months. [4] The incidence of aseptic meningitis has been reported as 11 per 100,000 person-years, compared with a rate of 8.6 per 100,000 for bacterial meningitis. In the United States, a specific cause is usually identifiable in 10-15% of cases of meningitis.

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