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Epidemic status of malaria in Zhenjiang City from 2004 to 2017

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      Abstract

      Objective To analyze the epidemic situation and epidemiological characteristics of malaria in Zhenjiang City from 2004 to 2017, so as to provide the evidence for formulating the reasonable strategies and measures for malaria prevention and control.

      Methods The epidemiological data of malaria in Zhenjiang City from 2004 to 2017 were collected and analyzed for the epidemic situation, epidemiological characteristics, species of Plasmodium, blood test status for febrile patients.

      Results A total of 182 malaria cases were reported in Zhenjiang City between 2004 and 2017, 123 cases (67.58%) were infected with P. vivax, and 55 cases (30.22%) were infected with P. falciparum. Among all the reported cases, 41 (22.53%) were local cases, 66 (36.26%) were imported cases from other provinces in China, 75 (41.21%) were imported cases from abroad. Most of the cases were male (133 cases), and 59.89% of them concentrated in the age groups of 20-50 years. These cases were mainly farmers (24.73%, 45/182) and workers (24.18%, 44/182), and most of the cases occurred from July to September. From 2004 to 2017, the blood tests were conducted for 258 879 febrile patients, with a positive detection rate of 0.007% in the local population and 0.724% in floating population, and there was a statistically significant difference between them ( P<0.01).

      Conclusion Since 2011, no indigenous cases have been reported in Zhenjiang City, and therefore, the control of imported malaria from abroad has become the key of malaria prevention and control in this city.

      Abstract

      [ 摘要] 目的 分析 2004–2017 年镇江市疟疾疫情及流行特征, 为制定合理的疟疾防控策略和措施提供科学依据。方 法收集 2004–2017 年镇江市疟疾疫情资料, 采用描述性流行病学方法 对疟疾疫情、流行特征、病例类型及发热病人血 检情况进行分析。 结果  2004–2017 年镇江市共报告疟疾病例 182 例, 其中间日疟 123 例 (67.58%), 恶性疟 55 例 (30.22%); 本地感染病例 41 例 (22.53%), 国内输入性病例 66 例 (36.26%), 境外输入性病例 75 例 (41.21%)。 182 例疟疾 病例主要为男性 (133 例); 年龄集中在 20 ~ 50 岁, 占 59.89%; 职业以农民和工人为主, 分别占 24.73% (45/182) 和 24.18% (44/182); 发病高峰集中在每年 7–9 月。 2004–2017 年镇江市血检发热病人 258 879 人, 本地人口血检阳性率为 0.007%, 流动人口血检阳性率为 0.724%, 两者差异有统计学意义 ( P < 0.01)。 结论 镇江市自 2011 年起已无本地感染疟疾病例 报告, 境外输入性疟疾防控已成为本市疟疾防控的重点。

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      Affiliations
      1Zhenjiang District Center for Disease Control and Prevention, Jiangsu Province, Zhenjiang 212004, China
      Author notes
      *Corresponding author: Wang Lin, E-mail: zjjkzxlah@ 123456sina.com
      Journal
      CJSC
      Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi
      Chinese Journal of Schistosomiasis Control (Wuxi, China )
      1005-6661
      15 November 2018
      : 30
      : 6
      : 660-663
      j.32.1374.2018081 10.16250/j.32.1374.2018081
      © 2018 Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi

      This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 Unported License (CC BY-NC 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See https://creativecommons.org/licenses/by-nc/4.0/.

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