Epidemic Encephalitis B, caused by Japanese Encephalitis Virus (JEV), is a kind of acute contagious disease of central nervous system.

• 流行性乙型脑炎(Epidemic Encephalitis B)是由日本脑炎病毒(Japanese Encephalitis Virus, JEV)引起的中枢神经系统的急性传染病。