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据日本现代医学82—1报道,亚急性硬化性脑炎(SSPE)是一种迟发性病毒感染性疾病,其病因是麻疹病毒在脑内的持续感染,多见于6岁左右的儿童,1岁以下小儿患麻疹后发病率最高。从患麻疹到SSPE发病,潜伏期平均为6年半,开始时智力逐渐下降,继而出现代谢性肌痉挛,半年到一年即可从意识障碍发展到白痴,大多数发病后三年内死亡。使用麻疹疫苗预防麻疹,则罹患本病很少,但据调查,每年仍有十余例SSPE患儿。
According to the report of Japanese modern medicine 82-1, subacute scleraphic encephalitis (SSPE) is a late-onset viral infectious disease, the etiology of which is persistent infection in the brain of measles virus, which is more common in children aged 6 years and 1 Children under the age of the highest incidence of measles. From the onset of measles to SSPE, the incubation period averaged 6 and a half years. At the beginning, intelligence gradually decreased, followed by metabolic muscle spasms. From six months to one year, idiopathic individuals developed from disturbance of consciousness to death, most of whom died within three years after their onset. Measles vaccine against measles, then the disease is rare, but according to the survey, there are still more than ten cases of SSPE children each year.