Volume 25 Issue 2
Nov.  2019
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CHEN Ying Dan, ZHOU Chang Hai, XU Long Qi. Analysis of the Results of Two Nationwide Surveys on Clonorchis sinensis Infection in China[J]. Biomedical and Environmental Sciences, 2012, 25(2): 163-166. doi: 10.3967/0895-3988.2012.02.006
Citation: CHEN Ying Dan, ZHOU Chang Hai, XU Long Qi. Analysis of the Results of Two Nationwide Surveys on Clonorchis sinensis Infection in China[J]. Biomedical and Environmental Sciences, 2012, 25(2): 163-166. doi: 10.3967/0895-3988.2012.02.006

Analysis of the Results of Two Nationwide Surveys on Clonorchis sinensis Infection in China

doi: 10.3967/0895-3988.2012.02.006
  • Objective To examine Clonorchis sinensis infection in China and evaluate the effectiveness of efforts to prevent and control it,two nationwide surveys were undertaken in 31 provinces,autonomous regions,and municipalities (PAMs) during 1988-92 (the 1990 survey) and during 2001-04 (the 2003 survey),Methods During the period 2001-04,two sampling methods were applied.The first method repeated the stratified cluster random sampling used in the 1990 survey; the second method applied two-characteristic stratified cluster random sampling in 27 PAMs-the 2003 endemic area (EA) survey.The Kato-Katz thick smear method was used for the nationwide survey.Results The infection rates of Clonorchis sinensis in the 1990 and 2003 surveys were 0.311% and 0.579%,respectively.The infection rate was 2.40% in the 2003 EA survey,and it was estimated that 12.49 million people in China were infected with Clonorchis sinensis.Conclusion The 2003 survey showed that the standardized infection rate of Clonorchis sinensis increased by 74.85% compared with the 1990 survey.The infection rate in males was higher than in females; the infection rate among people eating raw fish or eating out frequently was higher than among those who did not.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Analysis of the Results of Two Nationwide Surveys on Clonorchis sinensis Infection in China

doi: 10.3967/0895-3988.2012.02.006

Abstract: Objective To examine Clonorchis sinensis infection in China and evaluate the effectiveness of efforts to prevent and control it,two nationwide surveys were undertaken in 31 provinces,autonomous regions,and municipalities (PAMs) during 1988-92 (the 1990 survey) and during 2001-04 (the 2003 survey),Methods During the period 2001-04,two sampling methods were applied.The first method repeated the stratified cluster random sampling used in the 1990 survey; the second method applied two-characteristic stratified cluster random sampling in 27 PAMs-the 2003 endemic area (EA) survey.The Kato-Katz thick smear method was used for the nationwide survey.Results The infection rates of Clonorchis sinensis in the 1990 and 2003 surveys were 0.311% and 0.579%,respectively.The infection rate was 2.40% in the 2003 EA survey,and it was estimated that 12.49 million people in China were infected with Clonorchis sinensis.Conclusion The 2003 survey showed that the standardized infection rate of Clonorchis sinensis increased by 74.85% compared with the 1990 survey.The infection rate in males was higher than in females; the infection rate among people eating raw fish or eating out frequently was higher than among those who did not.

CHEN Ying Dan, ZHOU Chang Hai, XU Long Qi. Analysis of the Results of Two Nationwide Surveys on Clonorchis sinensis Infection in China[J]. Biomedical and Environmental Sciences, 2012, 25(2): 163-166. doi: 10.3967/0895-3988.2012.02.006
Citation: CHEN Ying Dan, ZHOU Chang Hai, XU Long Qi. Analysis of the Results of Two Nationwide Surveys on Clonorchis sinensis Infection in China[J]. Biomedical and Environmental Sciences, 2012, 25(2): 163-166. doi: 10.3967/0895-3988.2012.02.006

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