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病毒性脑炎(viral encephalitis,VE)是指由多种不同病毒感染而引起脑实质炎性改变的一类疾病的总称,属常见中枢神经系统(CNS)感染性疾病。VE主要临床表现为发热、头痛、抽搐、意识障碍和脑膜刺激症状等,重症患者易造成神经系统不同程度的后遗症,且病死率高。近年来VE呈新的流行趋势,依然是21世纪世界性严重传染病。
Viral encephalitis (VE) is a general term for a group of diseases caused by inflammatory changes of brain parenchyma caused by infection by many different viruses. It is a common CNS infectious disease. VE main clinical manifestations of fever, headache, convulsions, disturbance of consciousness and meningeal irritation and other symptoms, critically ill patients can easily lead to varying degrees of nervous system sequelae, and high mortality. In recent years, VE showed a new fashion trend, which is still a worldwide serious infectious disease in the 21st century.