measles encephalitis

measles encephalitis Inflammation of the brain during recovery from measles infection. Measles encephalitis occurs in approximately 1 in 1,000 to 2,000 cases of measles, starting up to 3 weeks after onset of the rash and causing high fever, convulsions, and coma. It carries a 10-20 percent mortality rate and may lead to permanent central nervous system impairment.