What is the incidence of encephalitis as a complication of measles?

Updated: Jun 06, 2019
  • Author: Selina SP Chen, MD, MPH; Chief Editor: Russell W Steele, MD  more...
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Answer

Approximately 1 of every 1,000 patients develops acute encephalitis, which often results in permanent brain damage and is fatal in about 10% of patients. In children with lymphoid malignant diseases, delayed-acute measles encephalitis may develop 1-6 months after the acute infection and is generally fatal.


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