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目的通过对2011年新疆南疆地区脊髓灰质炎疫情流行病学分析,探讨脊髓灰质炎的免疫持久性,为今后预防和控制脊髓灰质炎提供新的依据。方法对新疆维吾尔自治区卫生厅脊髓灰质炎疫情应急处置领导小组疫情控制组发布的2011年新疆脊髓灰质炎疫情防控阶段性工作进展资料进行分析。结果 2011年脊髓灰质炎确诊病例年龄分布特点是,发病病例分布于2岁以下和19岁以上两个年龄段,在3~18岁存在一个年龄断层。结论脊髓灰质炎疫苗免疫保护期最长不超过15年。
Objective To investigate the epidemiological analysis of poliomyelitis in southern Xinjiang in 2011 to investigate the immune persistence of poliomyelitis and provide new evidences for the prevention and control of poliomyelitis in the future. Methods The data of prevention and control of poliomyelitis epidemic in Xinjiang Uygur Autonomous Region in 2011 were collected from the epidemiological control group of the leading group for polio epidemic situation in Xinjiang Uygur Autonomous Region. Results The age distribution of the confirmed cases of poliomyelitis in 2011 was characterized by the incidence of cases distributed in both age groups below 2 years old and above 19 years old, with an age of 3 to 18 years old. Conclusion The longest duration of immunization of polio vaccine does not exceed 15 years.