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      Epidemiological characteristic analysis of typhoid and paratyphoid fever in Baoshan, Yunnan,2005-2015

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          Objective To analyze the incidence of typhoid and paratyphoid fever in Baoshan City, Yunnan Province, and we provide references for the prevention and control of typhoid and paratyphoid fever.

          Methods Descriptive epidemiological method was used to analyze the date of typhoid and paratyphoid in Baoshan City from 2005 to 2015.

          Results The average annual incidence of typhoid and paratyphoid fever in Baoshan City was 12.11/10 5. The incidence of typhoid fever, typhoid fever and paratyphoid fever in each year had significant difference (χ 2 typhoid =3 14.907, P<0.05 ; χ 2 paratyphoid=249.316, P<0.05 ; χ 2 typhoid+paratyphoid=249.316, P<0.05).After 2014, the incidence of typhoid, paratyphoid and paratyphoid fever declined sharply, with the lowest incidence in 2015.Cases was reported in every month. The peak incidence was from July to September.The incidence of typhoid and paratyphoid fever in five counties from high to low was Shidian County, Longling County, Longyang District and Tengchong County, Changning County (χ 2 typhoid=1 375.149, P<0.05 ; χ 2 typhoid+paratyphoid=431.417, P<0.05; χ 2 typhoid+paratyphoid=249.316, P<0.05).The top three occupations were farmers, students and scattered children, accounting for 53.95%, 21.69%, 12.60% of the total incidence respectively; Male • Female=1 • 1.05; The 5-10 years group had the highest incidence rate.

          Conclusion After 2014, the incidence of typhoid and paratyphoid fever in Baoshan City has decreased significantly, but it is still higher than the national average. Targeted interventions should be taken for farmers, students, scattered children and high-incidence counties.


          摘要: 目的 分析云南省保山市伤寒副伤寒流行特征, 为伤寒副伤寒防控提供参考依据。 方法 对保山市2005—2015年伤寒副伤寒疫情资料进行描述性分析。 结果 保山市伤寒副伤寒年均发病率为12.11/10万, 以伤寒为主;各年 伤寒/副伤寒、伤寒、副伤寒发病率差异有统计学意义(χ 2 伤寒=314.907, P<0.05;χ 2 副伤寒=249.316, P<0.05;χ 2 伤寒/副伤寒=249.316, P<0.05), 2014年以后伤寒/副伤寒、伤寒、副伤寒发病率大幅下降, 各发病率均以2015年最低;各月均有病例报告, 7—9 月为发病高峰;五县区伤寒、副伤寒发病率由高到低依次为施甸县、龙陵县、隆阳区、腾冲县、昌宁县(χ 2 伤寒=1 375.149, P<0.05;χ 2 副伤寒=431.417, P<0.05;χ 2 伤寒/副伤寒=249.316, P<0.05);发病居前三位的职业为农民、学生和散居儿童, 分别占总发 病的53.95%、21.69%、12.60%;男:女=1:1.05;5~10岁组伤寒/副伤寒发病率最高。 结论 2014年后保山市伤寒副伤寒 发病率大幅降低但仍高于全国平均水平, 应对农民、学生、散居儿童以及高发县采取有针对性的干预措施。

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          China Tropical Medicine
          China Tropical Medicine (China )
          01 May 2020
          01 May 2020
          : 20
          : 5
          : 466-468
          1Department of Acute Infectious Disease Prevention and Control, Baoshan Center for Disease Control and Prevention, Baoshan, Yunnan 678000 , China
          Author notes
          Corresponding author: ZHAO Lijuan, E-mail: 759633189@
          © 2020 Editorial Department of China Tropical Medicine

          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

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