流行性乙型脑炎(简称乙脑),典型病例不难确诊,但对一些不典型病例常可造成误诊误治。作者依据多年临床实践体会,认为下述各点应在乙脑诊治中予以重视。诊断一、乙脑病人不发热是罕见的(隐性感染者除外,发热症状的发生率在98.9～100%之间,除个别暴发型外,几乎全部病例皆有发热,且发热高低与病情轻重成正比,体温愈高病情愈重。如病人神经系统症状明显,有抽痉、昏迷,但无发热者则一般不是乙脑。昏迷先于发热或高热立即昏迷时均应考虑其他脑炎或脑病 Japanese encephalitis (referred to as JE), the typical case is not difficult to diagnose, but often can cause misdiagnosis and mistreatment for some atypical cases. The author based on years of clinical experience, that the following points should be in the treatment of J Ceremonial attention. Diagnosis, JE patients without fever is rare (except for latent infection, the incidence of fever symptoms between 98.9 to 100%, except for individual outbreaks, almost all cases have fever, and the level of fever and severity Is proportional to, the body temperature is higher the more serious condition.If the patient’s nervous system symptoms are obvious, there is antispasmodic, coma, but no fever are generally not JE. Coma immediately before coma or fever should consider other encephalitis or encephalopathy