What is the mortality rate associated with bacterial meningitis?

Updated: Jul 16, 2019
  • Author: Rodrigo Hasbun, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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Bacterial meningitis consists of pyogenic inflammation of the meninges and the underlying subarachnoid CSF. If not treated, it may lead to lifelong disability or death. [1, 2] Before the antimicrobial era, bacterial meningitis was uniformly fatal, but with the advent of antimicrobial therapy, the overall mortality from this disease has decreased. Nonetheless, it remains alarmingly high: approximately 25%. (See Epidemiology.)

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