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Int. J. Environ. Res. Public Health 2013, 10(12), 6409-6421; doi:10.3390/ijerph10126409
Article

Impact and Cost-Effectiveness of a Comprehensive Schistosomiasis japonica Control Program in the Poyang Lake Region of China

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Received: 1 August 2013; in revised form: 8 October 2013 / Accepted: 21 October 2013 / Published: 28 November 2013
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Abstract: Schistosomiasis japonica remains a significant public-health problem in China. This study evaluated cost-effectiveness of a comprehensive schistosomiasis control program (2003–2006). The comprehensive control program was implemented in Zhangjia and Jianwu (cases); while standard interventions continued in Koutou and Xiajia (controls). Incurred costs were documented and the schistosomiasis comprehensive impact index (SCI) and cost-effectiveness ratio (Comprehensive Control Program Cost/SCI) were applied. In 2003, prevalence of Schistosoma japonicum infection was 11.3% (Zhangjia), 6.7% (Jianwu), 6.5% (Koutou), and 8.0% (Xiajia). In 2006, the comprehensive control program in Zhangjia and Jianwu reduced infection to 1.6% and 0.6%, respectively; while Koutou and Xiajia had a schistosomiasis prevalence of 3.2% and 13.0%, respectively. The year-by-year SCIs in Zhangjia were 0.28, 105.25, and 47.58, with an overall increase in cost-effectiveness ratio of 374.9%–544.8%. The SCIs in Jianwu were 16.21, 52.95, and 149.58, with increase in cost-effectiveness of 226.7%–1,149.4%. Investment in Koutou and Xiajia remained static (US$10,000 unit cost). The comprehensive control program implemented in the two case villages reduced median prevalence of schistosomiasis 8.5-fold. Further, the cost effectiveness ratio demonstrated that the comprehensive control program was 170% (Zhangjia) and 922.7% (Jianwu) more cost-effective. This work clearly shows the improvements in both cost and disease prevention effectiveness that a comprehensive control program-approach has on schistosomiasis infection prevalence.
Keywords: Schistosomiasis japonica; comprehensive control program; cost-effectiveness; Poyang Lake region Schistosomiasis japonica; comprehensive control program; cost-effectiveness; Poyang Lake region
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Yu, Q.; Zhao, G.-M.; Hong, X.-L.; Lutz, E.A.; Guo, J.-G. Impact and Cost-Effectiveness of a Comprehensive Schistosomiasis japonica Control Program in the Poyang Lake Region of China. Int. J. Environ. Res. Public Health 2013, 10, 6409-6421.

AMA Style

Yu Q, Zhao G-M, Hong X-L, Lutz EA, Guo J-G. Impact and Cost-Effectiveness of a Comprehensive Schistosomiasis japonica Control Program in the Poyang Lake Region of China. International Journal of Environmental Research and Public Health. 2013; 10(12):6409-6421.

Chicago/Turabian Style

Yu, Qing; Zhao, Geng-Ming; Hong, Xian-Lin; Lutz, Eric A.; Guo, Jia-Gang. 2013. "Impact and Cost-Effectiveness of a Comprehensive Schistosomiasis japonica Control Program in the Poyang Lake Region of China." Int. J. Environ. Res. Public Health 10, no. 12: 6409-6421.



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