Japanese encephalitis is spread by the bite of a mosquito infected by the Japanese encephalitis virus.
Signs and symptoms
- Drowsiness (sleepiness), disorientation, tremors, and sometimes seizures
Only 1 infected person in 200 has symptoms.
- Permanent brain damage such as paralysis, epilepsy, and mental retardation (33-50% of infected persons)
- Death (10-25% of cases)
Last update: October 22, 2015