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新疆维吾尔自治区自 1994年 4月报告最后 1例脊髓灰质炎 (脊灰 )野病毒病例后 ,未再发现脊灰野病毒 ,但周边国家仍有脊灰野病毒流行。为维持无脊灰状态 ,巩固免疫屏障 ,根据卫生部和自治区卫生厅的按排 ,2 0 0 2年 3、4月在部份地区开展了 2轮口服脊灰疫苗 (ＯＰＶ)强化免疫活
Since the last case of poliomyelitis (polio) wild virus was reported in Xinjiang Uygur Autonomous Region since April 1994, no poliovirus was found again, but poliovirus still remained in neighboring countries. In order to maintain a polio-free status and consolidate the immunological barrier, two rounds of oral poliovirus (OPV) intensive immunization were conducted in some areas in March and April 2002 according to the arrangement of the Ministry of Health and the autonomous region’s health department