CHINESE JOURNAL OF PARASITOLOGY AND PARASITIC DISEASES >

2021 , Vol. 39 >Issue 5: 681 - 686

DOI: https://doi.org/10.12140/j.issn.1000-7423.2021.05.017

ORIGINAL ARTICLES

Echinococcosis prevalence and knowledge awareness in population in Jiuzhi County of Qinghai Province during 2017—2018

  • Jia LIU ,
  • Wen LEI ,
  • Xiao MA ,
  • Xue-fei ZHANG ,
  • Hai-ning FAN ,
  • Wei WANG ,
  • Qing ZHANG ,
  • Jun-ying MA ,
  • Hui-xia CAI ,
  • Pei-zhen ZHAN ,
  • Jing-xiao ZHANG ,
  • Yu-fang LIU ,
  • Na LIU ,
  • Yong-shun WANG ,
  • Cun-zhe ZHAO ,
  • Xiong-ying ZHANG ,
  • Ke-mei SHI ,
  • Xiu-qin YIN ,
  • Shun-xin SHANG
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  • 1 Qinghai Institute for Endemic Disease Prevention and Control, Xining 811602, China
    2 Qinghai University Affiliated Hospital, Xining 810000, China
    3 Jiuzhi Center for Disease Control and Prevention, Guoluo 814499, China

Received date: 2021-02-06

  Revised date: 2021-05-11

  Online published: 2021-11-10

Supported by

Science and Technology Major Project of Qinghai Province(2016-SF-A5)

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Abstract

Objective To investigate the prevalence and knowledge awareness of echinococcosis in Jiuzhi County, Qinghai Province during 2017—2018. Methods Residents above 2 years of age in seven townships (town) in Jiuzhi County were selected with a cluster random sampling method during 2017—2018 and subjected to B-ultrasound examination to determine the prevalence of echinococcosis in the residents. A field questionnaire regarding knowledge of echinococcosis prevention and control was performed randomly among groups with different occupations. Results A total of 25 238 people in Jiuzhi County received B-ultrasound examination, 798 of them were diagnosed with echinococcosis, showing a prevalence rate of 3.2% (798/25 238). Of the diagnosed cases, 245 were cystic echinococcosis (30.7%), 549 with alveolar echinococcosis (68.8%), and 4 mixed type (0.5%). The prevalence was higher in females (4.0%, 498/12 327) than males (2.3%, 300/12 911) (χ2 = 60.668, P < 0.01). The prevalence of echinococcosis increased with age, and was highest in the age group 50-60 (8.0%, 141/1 756) (χ2 = 439.082, P < 0.01). The prevalence was highest in the illiterate group (20.7%, 693/3 356) (χ2 = 3 871.087, P < 0.01) among all groups of educational levels. The prevalence in the nomadic population (4.0%, 743/18 561) was higher than that in the settled population (0.8%, 55/6 677) (χ2 = 162.104, P < 0.01). The prevalence of echinococcosis was highest in Waeryi township (10.9%, 349/3 218) (χ2 = 881.983, P < 0.01). In 2017 and 2018, 431 and 449 questionnaires were completed in the residents with different occupations, and the awareness rates of echinococcosis were 84.5% (364/431) and 94.5% (426/449), respectively. Conclusion High prevalence of echinococcosis was found in Jiuzhi County. The rate of awareness on echinococcosis control in 2018 was higher than that in 2017.

Key words： Echinococcosis; Jiuzhi County; Human; Investigation

Cite this article

Jia LIU , Wen LEI , Xiao MA , Xue-fei ZHANG , Hai-ning FAN , Wei WANG , Qing ZHANG , Jun-ying MA , Hui-xia CAI , Pei-zhen ZHAN , Jing-xiao ZHANG , Yu-fang LIU , Na LIU , Yong-shun WANG , Cun-zhe ZHAO , Xiong-ying ZHANG , Ke-mei SHI , Xiu-qin YIN , Shun-xin SHANG . Echinococcosis prevalence and knowledge awareness in population in Jiuzhi County of Qinghai Province during 2017—2018[J]. CHINESE JOURNAL OF PARASITOLOGY AND PARASITIC DISEASES, 2021 , 39(5) : 681 -686 . DOI: 10.12140/j.issn.1000-7423.2021.05.017

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