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近年来已证实加强对婴幼儿童开展计划口服糖丸疫苗后可以大幅度降低脊髓灰质炎（下简称脊灰）的发病率，甚至有的地区多年没有病例发生。但在已控制或基本消灭脊灰的地区，做好群体免疫水平的监测，对制订免疫规划，进一步达到消灭本病，具有现实的意义。1981年秋我们对我市289名健康人群进行脊灰血清学监测，现报告于后：
In recent years, it has been confirmed that intensifying the planned oral administration of sugar pill vaccine for infants and young children can greatly reduce the incidence of poliomyelitis (hereinafter referred to as polio), and in some areas, no cases have occurred for many years. However, in the areas where the poliovirus has been controlled or basically eradicated, it is of practical significance to do a good job in monitoring the immunization level of the population and formulate an immunization plan to further eliminate this disease. In the autumn of 1981, we carried out the polio serology surveillance on 289 healthy people in our city. Now we report the following: