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目的掌握东台市1999-2013年疟疾疫情特点。方法收集1999-2013年东台市疟疾确诊病例个案调查及疫情防治资料进行流行病学分析。结果 1999-2013年东台市疟疾发病总人数为27例,其中本地间日疟2例,输入性间日疟10例,输入性恶性疟13例,输入性恶性疟与卵形疟、间日疟混合感染各1例,输入性病例占92.59%,本地病例占7.41%。2003年以后无本地感染病例,全部为输入性病例。2008年前输入性病例均为国内间日疟,之后均为境外恶性疟及两者混合感染病例。病人首诊以镇医院、村级卫生机构为主,均占33.33%。病人发病1 d内就诊的占62.96%,发病至就诊时间中位数为1 d,发病至确诊时间中位数为3 d,发病至确诊时间最长为33 d,平均为5.74 d;就诊至血检、确诊时间中位数均为1 d。结论 1999-2013年东台市疟疾以输入性病例为主,加强出国劳务回归人员的监测是实现消除疟疾的关键。
Objective To grasp the epidemic characteristics of malaria in Dongtai from 1999 to 2013. Methods The cases of malaria diagnosed in Dongtai from 1999 to 2013 and epidemic situation prevention and control data were collected for epidemiological analysis. Results The total number of malaria cases in Dongtai from 1999 to 2013 was 27, of which 2 were local malaria cases, 10 were imported malaria cases, 13 were imported as falciparum malaria cases, One case was mixed infection, accounting for 92.59% of imported cases and 7.41% of local cases. No cases of local infection after 2003, all imported cases. The imported cases before 2008 were both domestic vivax malaria, followed by the cases of foreign falciparum malaria and mixed infection. The first patient to the town hospital, village-level health institutions, accounting for 33.33%. 62.96% of the patients were diagnosed within 1 day of onset, the median time from onset to treatment was 1 d, the median time from onset to diagnosis was 3 days, and the longest time between onset and diagnosis was 33 days (average, 5.74 days) Blood tests, the median diagnosis time were 1 d. Conclusion In 1999-2013, malaria in Dongtai City was dominated by imported cases. Strengthening the monitoring of returnees returning from abroad was the key to eliminating malaria.