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1981年春西宁地区及邻近数县发生脊髓灰质炎流行。本文对57例住院患儿的临床诊断和分析,观察到:瘫痪以下肢为多占94.7％。患有先心和合并肺类者,肌张力为○—Ⅰ级,瘫痪程度亦重。1—3岁是高发病年龄组,应积极预防。在18份标本中分离到脊髓灰质炎病毒;Ⅰ型9株、类毒株Ⅰ型株、Ⅰ型2株,基本证实Ⅰ型为本次流行的主要毒株。但流行季节由夏秋转为冬春与以往有所不同。
The polio epidemic occurred in the spring of 1981 in Xining and its neighboring counties. In this paper, 57 cases of hospitalized children with clinical diagnosis and analysis, observed that: lower limb paralysis accounted for more than 94.7%. With congenital heart disease and pulmonary involvement, muscle tone is ○ - Ⅰ level, the degree of paralysis is also heavy. 1-3 years old is a high incidence of age group, should be actively prevented. Poliovirus was isolated from 18 samples. Type Ⅰ strain was 9, type Ⅰ strain was type Ⅰ and 2 strains were type Ⅰ. It was basically confirmed that type Ⅰ was the major strain of this epidemic. However, the popular season is changed from summer to winter and spring is different from the past.