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从１９９３年至2000年１月，根据国家、省、市的统一部署，广州市芳村区已连续开展了９次１８轮消灭脊髓灰质炎（脊灰）强化免疫活动，旨在巩固消灭脊灰工作取得的成绩，消除免疫空白和易感人群，最终消灭脊髓灰质炎，现将９次强化免疫活动情况分析如下：１资料来源与方法资料
From 1993 to January 2000, nine rounds of eighteen rounds of polio eradication (polio) intensified immunization activities were carried out in Fangcun District of Guangzhou according to the unified arrangements made by the state, provinces and municipalities in order to consolidate the eradication of polio work The achievements made to eliminate the immune blank and susceptible populations and eventually eradicate poliomyelitis. The analysis of the nine intensified immunization activities is as follows: 1 Sources and Methods of Information