Japanese encephalitis is an infection spread by Culex mosquitoes. These mosquitoes bite mainly from dusk until dawn.
Disease symptoms can occur five to fifteen days after the infection:
- Muscle aches
In most people the disease is mild, and the symptoms heal within a few days. A minority develop neurological symptoms with cerebral infections or meningitis. In that case there is a high risk of permanent residual injuries or even death.
No specific treatment is available.
The risk of Japanese encephalitis is very low for travellers, but it does increase with long-term stays or stays in rural areas.