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[Comparative evaluation of models for infectious source control of schistosomiasis in lake and marshland regions].

Abstract

OBJECTIVE

To compare the effect of different models for the control of infectious source of schistosomiasis, so as to explore the control models suitable for lake and marshland regions.

METHODS

The models of "replacement of cattle with machine" and "grazing prohibition and establishing fixed pasture" were implemented in 2 towns of Gong'an and Jianli counties, Hubei Province, respectively, and the data of infection situation of human and livestock, Oncomelania hupensis snail situation and the contamination status of wild faeces were collected and analyzed from 2008 to 2010.

RESULTS

In 2010, for the model of "replacement of cattle with machine", the infection rate of residents in the observation group decreased by 56.82% comparing to that in 2008, the difference had a statistical significance (chi2 = 78.197, P < 0.01), and the decrease extent in the observation group was larger than that in the control group; the infection rates of cattle and snails, and the density of infected snails of the former were all decreased to 0. No wild faeces were discovered in the observation group, while 58 pieces of wild faeces were discovered but no schistosome eggs were found in these faeces in the control group. In 2010, for the model of "grazing prohibition and establishing fixed pasture", the infection rate of residents in the observation group decreased by 39.00% without a statistic significance (chi2 = 1.594, P > 0.05), and the infection rate of cattle decreased by 43.98% without a statistically significant difference (chi2 = 0.751, P > 0.05) comparing to those in 2008. The density of living snails decreased by 89.83% in the observation group, while that in the control group increased by 6.80%. A total of 11 pieces of wild faeces were collected in the observation group, with a positive rate of 18.18%, and 7 pieces were collected in the control group, all of which were negative. During the 2 years, no acute and advanced schistosomiasis patients were newly discovered.

CONCLUSIONS

"Replacement of cattle with machine" and "grazing prohibition and establishing fixed pasture" are the main measures for schistosomiasis control in lake and marshland regions, the former is suitable for inner embankment regions, while the latter is suitable for the outer-embankment areas.

Authors+Show Affiliations

Institute of Schistosomiasis Prevention and Control, Jingzhou City Center for Disease Control and Prevention, Hubei Province, Jingzhou 434000, China.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
English Abstract
Journal Article
Research Support, Non-U.S. Gov't

Language

chi

PubMed ID

22164487

Citation

Wang, Jia-Song, et al. "[Comparative Evaluation of Models for Infectious Source Control of Schistosomiasis in Lake and Marshland Regions]." Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi = Chinese Journal of Schistosomiasis Control, vol. 23, no. 3, 2011, pp. 262-7.
Wang JS, He LC, Rong XB, et al. [Comparative evaluation of models for infectious source control of schistosomiasis in lake and marshland regions]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi. 2011;23(3):262-7.
Wang, J. S., He, L. C., Rong, X. B., Yuan, M. Z., He, Z. W., Liao, C. J., Hou, Y. Y., & Wang, J. Y. (2011). [Comparative evaluation of models for infectious source control of schistosomiasis in lake and marshland regions]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi = Chinese Journal of Schistosomiasis Control, 23(3), 262-7.
Wang JS, et al. [Comparative Evaluation of Models for Infectious Source Control of Schistosomiasis in Lake and Marshland Regions]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi. 2011;23(3):262-7. PubMed PMID: 22164487.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Comparative evaluation of models for infectious source control of schistosomiasis in lake and marshland regions]. AU - Wang,Jia-Song, AU - He,Liang-Cai, AU - Rong,Xian-Bing, AU - Yuan,Mei-Zhi, AU - He,Zheng-Wen, AU - Liao,Chang-Jun, AU - Hou,Yi-Yuan, AU - Wang,Jiao-Yuan, PY - 2011/12/15/entrez PY - 2011/12/15/pubmed PY - 2012/1/10/medline SP - 262 EP - 7 JF - Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control JO - Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi VL - 23 IS - 3 N2 - OBJECTIVE: To compare the effect of different models for the control of infectious source of schistosomiasis, so as to explore the control models suitable for lake and marshland regions. METHODS: The models of "replacement of cattle with machine" and "grazing prohibition and establishing fixed pasture" were implemented in 2 towns of Gong'an and Jianli counties, Hubei Province, respectively, and the data of infection situation of human and livestock, Oncomelania hupensis snail situation and the contamination status of wild faeces were collected and analyzed from 2008 to 2010. RESULTS: In 2010, for the model of "replacement of cattle with machine", the infection rate of residents in the observation group decreased by 56.82% comparing to that in 2008, the difference had a statistical significance (chi2 = 78.197, P < 0.01), and the decrease extent in the observation group was larger than that in the control group; the infection rates of cattle and snails, and the density of infected snails of the former were all decreased to 0. No wild faeces were discovered in the observation group, while 58 pieces of wild faeces were discovered but no schistosome eggs were found in these faeces in the control group. In 2010, for the model of "grazing prohibition and establishing fixed pasture", the infection rate of residents in the observation group decreased by 39.00% without a statistic significance (chi2 = 1.594, P > 0.05), and the infection rate of cattle decreased by 43.98% without a statistically significant difference (chi2 = 0.751, P > 0.05) comparing to those in 2008. The density of living snails decreased by 89.83% in the observation group, while that in the control group increased by 6.80%. A total of 11 pieces of wild faeces were collected in the observation group, with a positive rate of 18.18%, and 7 pieces were collected in the control group, all of which were negative. During the 2 years, no acute and advanced schistosomiasis patients were newly discovered. CONCLUSIONS: "Replacement of cattle with machine" and "grazing prohibition and establishing fixed pasture" are the main measures for schistosomiasis control in lake and marshland regions, the former is suitable for inner embankment regions, while the latter is suitable for the outer-embankment areas. SN - 1005-6661 UR - https://www.unboundmedicine.com/medline/citation/22164487/[Comparative_evaluation_of_models_for_infectious_source_control_of_schistosomiasis_in_lake_and_marshland_regions]_ L2 - http://www.diseaseinfosearch.org/result/6440 DB - PRIME DP - Unbound Medicine ER -