Japanese

Key facts Japanese encephalitis is a serious disease caused by the Japanese encephalitis virus (JEV). Humans can catch JEV if they are bitten by infected mosquitoes. Fewer than 4% of people who catch JEV will experience symptoms. For people who have symptoms, Japanese encephalitis can cause death or nervous system complications. You can reduce your risk of Japanese encephalitis by avoiding mosquito bites and getting vaccinated against JEV. What is Japanese encephalitis? Japanese encephalitis is an infection that can affect the central nervous system and cause serious complications and even death. It is endemic (regularly found) in parts of Asia and the