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目的对新疆维吾尔自治区2009年口服脊髓灰质炎(脊灰)疫苗(OPV)强化免疫活动实施情况进行评估。方法描述流行病学分析。结果为继续保持无脊灰状态,新疆维吾尔自治区于2009年在全疆范围开展了2轮OPV强化免疫活动,第1轮报告应种儿童数为1 365 956人,实种儿童数为1 354 268人,强化免疫前“零”剂次免疫儿童数为58 648人;第2轮报告应种儿童数为1 410 353人,实种儿童数为1 398 893人,强化免疫前“零”剂次免疫儿童数为31 572人;2轮共服苗2 753 161人次,每个年龄组每轮报告服苗率均>98%;还对90 220名“零”剂次免疫儿童进行了接种,对建立免疫屏障起到了积极作用。结论通过OPV强化免疫活动,提高了易感儿童群体免疫水平,继续维持无脊灰状态,奠定了新疆坚实的免疫屏障。
Objective To assess the implementation status of the 2009 OPV immunization campaign in Xinjiang Uygur Autonomous Region. Methods Describe epidemiological analysis. As a result, in order to maintain the status of polio-free status, Xinjiang Uyghur Autonomous Region conducted 2 rounds of OPV intensified immunization activities in Xinjiang in 2009, with 1 365 956 children in the first round of reporting and 1 354 268 The number of children immunized with “zero ” prior to intensive immunization was 58,648. The number of children reported in the second round of reporting was 1 410 353 and the number of actual children was 1 398 893. Before the intensive immunization, “zero ”The number of immunized children was 31 572; two rounds of vaccine were 2 753 161, with the rate of 98% being reported by each age group in each round, and 90 220“ zero ”doses were also immunized Vaccination of children has played a positive role in establishing an immunological barrier. CONCLUSIONS: The immunization activities of OPV enhance the immune status of susceptible children and maintain the polio-free status, laying a solid immunological barrier in Xinjiang.