张某,男,25岁,社员。于1981年2月开始相继出现右下肢、左下肢、右上肢麻木无力,10个月后双下肢完全麻痹,1年后症状基本缓解,能行走。又经10个月,无诱因而上述症状重现,且有视物不清,无故大笑,大便秘结,小便先失禁、后潴留等表现,于1983年5月13月入院。病前无发烧,近十余年来未接受过预防接种。入院查体:内科检查无异常。神志清 Zhang, male, 25 years old, member. In February 1981 began to appear in the right lower limb, left lower limb, right upper limb numbness weakness, 10 months after the complete lower limb paralysis, 1 year after the basic relief of symptoms, able to walk. After another 10 months, there was no incentive to reproduce the above symptoms, and there are blurred vision, no reason to laugh, constipation, urinary incontinence, retention and other performance, in May 1983 was admitted to hospital in May. Pre-illness without fever, nearly 10 years have not received vaccination. Admission examination: no abnormal medical examination. Consciousness