单纯疱疹病毒感染:口唇皮肤(显微镜) 食管鳞状上皮 脑炎（电子显微镜）
By electron microscopy, viral particles of any herpesvirus appear as arrays and scattered single particles as shown here in a nucleus of a neuron from the cerebrum from a patient with herpes simplex encephalitis. Herpesviruses are large encapsulated viruses that contain double-stranded DNA in the nucleocapsid surrounded by the viral envelope.