流行性乙型脑炎,简称乙脑,是由乙脑病毒通过蚊虫传播而引起的急性中枢神经系统传染病。本病在儿童中多发,常发于7、8、9月份的暖湿季节。病人主要表现为高热、昏睡、抽风、头痛、恶心呕吐、脖子发硬等,严重者可因呼吸衰竭而死亡,少数病人在恢复期还留有耳聋、失语、偏 Japanese encephalitis, or JE for short, is an acute central nervous system infection caused by the transmission of Japanese encephalitis virus through mosquitoes. The disease often occurs in children, often in the warm season of July, August and September. Patients mainly manifested as high fever, drowsiness, ventilation, headache, nausea and vomiting, stiff neck, etc., severe cases may be due to respiratory failure and death, a few patients still have deafness in recovery, aphasia, partial