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实践证明,口服脊髓灰质炎(脊灰)减毒活疫苗(OPV)对降低脊灰发病率,控制和消灭脊灰起到了非常重要的作用。但在该疫苗应用的同时,由OPV引起的疫苗相关病例(VAPP)时有发生。我市从60年代初至2008年前口服脊灰疫苗相关病例从未报道。
Practice has proved that oral polio (polio) live attenuated vaccine (OPV) plays a very important role in reducing the incidence of polio, controlling and eliminating pollen. However, vaccine-associated cases (VAPP) caused by OPV have occurred at the same time as the vaccine is being used. The city from the early 60s to 2008 before oral polio vaccine-related cases have never been reported.