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Article ; Online: Optimized strategy for schistosomiasis elimination: results from marginal benefit modeling.

Li, Qin / Zheng, Jin-Xin / Jia, Tie-Wu / Feng, Xin-Yu / Lv, Chao / Zhang, Li-Juan / Yang, Guo-Jing / Xu, Jing / Zhou, Xiao-Nong

Parasites & vectors

2023 Volume 16, Issue 1, Page(s) 419

Abstract: Background: Poverty contributes to the transmission of schistosomiasis via multiple pathways, with the insufficiency of appropriate interventions being a crucial factor. The aim of this article is to provide more economical and feasible intervention ... ...

Abstract	Background: Poverty contributes to the transmission of schistosomiasis via multiple pathways, with the insufficiency of appropriate interventions being a crucial factor. The aim of this article is to provide more economical and feasible intervention measures for endemic areas with varying levels of poverty. Methods: We collected and analyzed the prevalence patterns along with the cost of control measures in 11 counties over the last 20 years in China. Seven machine learning models, including XGBoost, support vector machine, generalized linear model, regression tree, random forest, gradient boosting machine and neural network, were used for developing model and calculate marginal benefits. Results: The XGBoost model had the highest prediction accuracy with an R Conclusions: In the elimination phase of the national schistosomiasis program, emphasizing risk surveillance holds significant importance in terms of cost-saving.
MeSH term(s)	Animals ; Cattle ; Schistosomiasis/epidemiology ; Schistosomiasis/prevention & control ; Schistosomiasis/drug therapy ; Molluscacides/pharmacology ; China/epidemiology ; Snails ; Prevalence
Chemical Substances	Molluscacides
Language	English
Publishing date	2023-11-15
Publishing country	England
Document type	Journal Article
ZDB-ID	2409480-8
ISSN	1756-3305 ; 1756-3305
ISSN (online)	1756-3305
ISSN	1756-3305
DOI	10.1186/s13071-023-06001-x
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Cost-effectiveness analysis of the integrated control strategy for schistosomiasis japonica in a lake region of China: a case study.

Wu, Ling-Ling / Hu, He-Hua / Zhang, Xia / Zhou, Xiao-Nong / Jia, Tie-Wu / Wang, Can / Hong, Zhong / Xu, Jing

Infectious diseases of poverty

2021 Volume 10, Issue 1, Page(s) 79

Abstract: Background: Schistosomiasis japonica remains an important public health concern due to its potential to cause severe outcomes and long-term sequelae. An integrated control strategy implemented in the Peoples' Republic of China has been shown to be ... ...

Abstract	Background: Schistosomiasis japonica remains an important public health concern due to its potential to cause severe outcomes and long-term sequelae. An integrated control strategy implemented in the Peoples' Republic of China has been shown to be effective to control or interrupt the transmission of schistosomiasis. The objective of this study is to estimate the disease burden of schistosomiasis and assess the cost-effectiveness of the integrated control strategy focused on different major interventions at three stages for schistosomiasis control in a lake setting, to provide reference for policy making or planning. Methods: Annual cost data of schistosomiasis control during 2009-2019 were obtained from the control program implementers in Jiangling County, Hubei Province, China. Economic costs are provided in constant 2009 Chinese Yuan (CNY). Epidemiological data of schistosomiasis were collected from the Jiangling county station for schistosomiasis control. Disease burden of schistosomiasis was assessed by calculating years of life lost (YLLs) owing to premature death, years lived with disability (YLDs) and disability-adjusted life years (DALYs). DALYs were calculated as the sum of YLLs and YLDs. We then conducted a rudimentary cost-effectiveness analysis by determining the ratio by dividing the difference between the average cost of integrated control strategy at transmission control (2013-2016) or transmission interruption (2017-2019) and the average cost at stage of infection control (2009-2012) with the difference between the DALYs of schistosomiasis at different control stages. Descriptive statistics on the costs and DALYs were used in the analysis. Results: The total economic costs for schistosomiasis control in Jiangling County from 2009 to 2019 were approximately CNY 606.88 million. The average annual economic costs for schistosomiasis prevention and control at stages of infection control (2009-2012), transmission control (2013-2016), and transmission interruption (2017-2019) were approximately CNY 41.98 million, CNY 90.19 million and CNY 26.06 million respectively. The overall disease burden caused by schistosomiasis presented a downward trend. Meanwhile, the disease burden of advanced cases showed an upward trend with the DALY increased from 943.72 to 1031.59 person-years. Most disease burden occurred in the age group over 45 years old (especially the elderly over 60 years old). Taking the infection control stage as the control, the incremental cost-effectiveness ratio of integrated control strategy was CNY 8505.5 per case averted, CNY 60 131.6 per DALY decreased at transmission control stage and CNY -2217.6 per case averted, CNY -18 116.0 per DALY decreased at transmission interruption stage. Conclusions: The disease burden of schistosomiasis decreased significantly with the implementation of the integrated prevention and control strategy. Surveillance and management on elder population should be strengthened to decrease diseases burden. There remains a need for well-conducted studies that examine the long-term cost-effectiveness of the integrated control strategy for schistosomiasis. GRAPHIC ABSTARCT.
MeSH term(s)	Aged ; China/epidemiology ; Cost-Benefit Analysis ; Humans ; Lakes ; Middle Aged ; Quality-Adjusted Life Years ; Schistosomiasis ; Schistosomiasis japonica/epidemiology ; Schistosomiasis japonica/prevention & control
Language	English
Publishing date	2021-05-28
Publishing country	England
Document type	Journal Article
ZDB-ID	2689396-4
ISSN	2049-9957 ; 2049-9957
ISSN (online)	2049-9957
ISSN	2049-9957
DOI	10.1186/s40249-021-00863-y
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Article: [Assessing the correlation between international collaboration and academic influence in parasitic diseases: a case study of National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention].

Yao, Jia-wen / Jia, Tie-wu / Zhou, Xiao-nong

Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control

2013 Volume 25, Issue 4, Page(s) 367–374

Abstract: Objective: To investigate the activity of scientific research and international collaboration in National Institute of Parasitic Diseases (NIPD), Chinese Center for Disease Control and Prevention (China CDC) from 2002 to 2012, and assess the ... ...

Abstract	Objective: To investigate the activity of scientific research and international collaboration in National Institute of Parasitic Diseases (NIPD), Chinese Center for Disease Control and Prevention (China CDC) from 2002 to 2012, and assess the relationship between international collaboration and academic influence at an individual level. Methods: Non-bibliometric indicators including number and structure of scientific research personnel, number of projects and funds, visiting frequency, etc, were used to assess the activity of scientific research and international collaboration, and bibliometric indicators including publications and h index, were employed to estimate the academic influence of senior professionals in NIPD, China CDC. The relationship between the international collaboration and international academic influence in the control and research of parasitic diseases was evaluated by using analysis of covariance and generalized linear models. Results: There was an increase tendency of the number of projects, funds and visiting frequency in NIPD, China CDC since the foundation of the institute in 2002, notably after 2011. The h2 index of NIPD, China was 7. Analysis of covariance and generalized linear model analysis revealed that the number of international partners (F = 81.75, P < 0.0001) , number of international projects (F = 22.81, P < 0.0001) , number of national projects (F = 7.30, P = 0.0110), and academic degree (F = 3.80, P = 0.0330) contributed greatly to individual academic influence, while visiting frequency, professional title and length of service had no significant association with h index. Conclusion: Elevation of international collaboration projects and development of long-term, stable international partnership may enhance the institutional and individual international academic influence in the field of parasitic diseases.
MeSH term(s)	Academies and Institutes/economics ; Academies and Institutes/organization & administration ; Biomedical Research/economics ; Biomedical Research/education ; Biomedical Research/manpower ; Biomedical Research/organization & administration ; Budgets/organization & administration ; China ; Communicable Disease Control/economics ; Communicable Disease Control/organization & administration ; Female ; Government ; Humans ; International Cooperation ; Laboratory Personnel/economics ; Laboratory Personnel/education ; Laboratory Personnel/organization & administration ; Male ; Parasitic Diseases/economics ; Parasitic Diseases/prevention & control
Language	Chinese
Publishing date	2013-08
Publishing country	China
Document type	English Abstract ; Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1005-6661
ISSN	1005-6661
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Article: [Academic influence of institutes in field of schistosomiasis control and research in China].

Yao, Jia-wen / Jia, Tie-wu / Guan, Ya-yi / Zhou, Xiao-nong

Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control

2014 Volume 26, Issue 3, Page(s) 238–244

Abstract: Objective: To assess the academic influence of schistosomiasis control and research institutions in China.: Methods: The papers (including original articles and reviews) pertaining to schistosomiasis in Science Citation Index Expanded (SCIE) of Web ... ...

Abstract	Objective: To assess the academic influence of schistosomiasis control and research institutions in China. Methods: The papers (including original articles and reviews) pertaining to schistosomiasis in Science Citation Index Expanded (SCIE) of Web of Science (WOS) during the period from 2002 to 2012 were searched. The number of published papers, h index and citation frequencies of the papers of Chinese institutes and authors were analyzed by a bibliometric method, and the academic influences of the institutes and authors were assessed according to the number of published papers and h index. In addition, the scientific knowledge network map was plotted by using the CiteSpace II software to analyze the inter-institution academic collaboration network. Results: From 2002 to 2012, totally 610 papers pertaining to schistosomiasis were published by Chinese scholars, accounted for 16.7% of the published papers in global, and the quantity increased year by year. The number of published papers and h index of the National Institute of Parasitic Diseases (NIPD), China Center for Disease Control and Prevention (China CDC) were 114 and 27, respectively, both of which were ranked at the first position among all the Chinese institutes, and in the academic collaboration network, the NIPD played a central and dominate part. Xiao-Nong Zhou with the h index of 17 became the outstanding academic leader in the research field of schistosomiasis control. Conclusions: Both number of published papers in SCIE and h index of the Chinese institutes for schistosomiasis control are far inferior to the leading institutions in the world. It suggests that when strengthening the research and control of schistosomiasis, we should pay an attention to the output and sharing of the control experience and achievements.
MeSH term(s)	Academies and Institutes/statistics & numerical data ; China ; Publications/statistics & numerical data ; Research/statistics & numerical data ; Schistosomiasis/prevention & control
Language	Chinese
Publishing date	2014-06
Publishing country	China
Document type	English Abstract ; Journal Article
ISSN	1005-6661
ISSN	1005-6661
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Article ; Online: Social science implications for control of helminth infections in Southeast Asia.

Vandemark, Lisa M / Jia, Tie-Wu / Zhou, Xiao-Nong

Advances in parasitology

2010 Volume 73, Page(s) 137–170

Abstract: Social science perspectives can inform helminth disease control in Southeast Asia. The social science literature offers theoretical and conceptual models; research methods; recommendations for training and capacity building, health education and health ... ...

Abstract	Social science perspectives can inform helminth disease control in Southeast Asia. The social science literature offers theoretical and conceptual models; research methods; recommendations for training and capacity building, health education and health care professional training; and practice guidelines, including implementation of evidence-based interventions. Priority themes include poverty, gender differences, health inequities and access to social resources. Implications for helminth control include broadening disease monitoring and surveillance to include social and economic variables and subjective measures of well-being; training for health professionals and researchers in the social determinants of health; and application of social science models, specifically the expanded 'Chronic Care Model', to the planning and evaluation of interventions. The chapter posits that helminth diseases meet the World Health Organization's expanded definition of chronic conditions, and that integrated delivery of multiple interventions is needed to address the full range of risks and outcomes due to helminth infection.
MeSH term(s)	Asia, Southeastern/epidemiology ; Communicable Disease Control/methods ; Helminthiasis/epidemiology ; Helminthiasis/prevention & control ; Humans ; Interdisciplinary Communication ; Interprofessional Relations ; Social Sciences/methods
Language	English
Publishing date	2010
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Review
ZDB-ID	165-x
ISSN	2163-6079 ; 0065-308X
ISSN (online)	2163-6079
ISSN	0065-308X
DOI	10.1016/S0065-308X(10)73006-2
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Article: [Assessment of disease burden and its application].

Jia, Tie-wu / Zhou, Xiao-nong

Zhongguo ji sheng chong xue yu ji sheng chong bing za zhi = Chinese journal of parasitology & parasitic diseases

2005 Volume 23, Issue 5, Page(s) 304–308

MeSH term(s)	Cost of Illness ; Disabled Persons/statistics & numerical data ; Humans ; Life Tables ; Models, Statistical ; Needs Assessment ; Risk Assessment
Language	Chinese
Publishing date	2005-10-30
Publishing country	China
Document type	Journal Article ; Review
ZDB-ID	639272-6
ISSN	1000-7423
ISSN	1000-7423
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Article: [Field evaluation of a novel plant molluscicide "Luo-wei" against Oncomelania hupensis IV molluscicidal effect in field of river beach in Dongzhi County, Anhui Province].

Shu, Fa / Chen, Sheng-You / Xie, Wei-Ping / Zhou, Ping / Sun, Le-Ping / Jia, Tie-Wu

Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control

2013 Volume 25, Issue 6, Page(s) 623–626

Abstract: Objective: To evaluate the field effect of the plant molluscicide "Luo-wei" (tea-seed distilled saponins, TDS) against the snail Oncomelania hupensis in the river beach in Anhui Province.: Methods: The immersing and spraying experiments were carried ... ...

Abstract	Objective: To evaluate the field effect of the plant molluscicide "Luo-wei" (tea-seed distilled saponins, TDS) against the snail Oncomelania hupensis in the river beach in Anhui Province. Methods: The immersing and spraying experiments were carried out in the river beach in Dongzhi County, Anhui Province, to assess the molluscicidal effect of 4% TDS comparing with 50% wettable powder of niclosamide ethanolamine salt (WPN). The chi(2) test or Fish's exact test was used to examine the differences between or among the molluscicidal effects by different environments, molluscicides, application methods, or days after the intervention. Meanwhile, the cost-effectiveness of the two molluscicides was analyzed. Results: After 1, 2 , 3 d and 7 d of the immersion, the snail death rates in both TDS group and WPN group increased gradually, the snail death rates in the two groups after immersing for 7 d were 94.62% and 99.24%, respectively, and there was no significant difference between them ( chi(2) = 3.30, P > 0.05). After 1 , 3 , 7 d and 15 d of spraying, the snail death rates were 70.82%, 79.75%, 85.11% and 91.65% in the TDS group, and 77.71%, 84.27%, 91.90% and 95.58% in the WPN group, respectively, and the differences among the snail death rates of the two groups at each time point were statistically significant (all P values < 0.05). The costs of spraying were 316.71 yuan per 100 m2 for TDS and 309.71 for WPN. Conclusions: The molluscicidal effect of TDS has reached the requirements of national standard on nature source pesticides in the river beach of the middle and lower reaches of the Yangtze River. It is necessary to further evaluate its cost-effectiveness in large-scale field experiments in the future.
MeSH term(s)	Animals ; China ; Cost-Benefit Analysis ; Disease Reservoirs ; Molluscacides/pharmacology ; Niclosamide/pharmacology ; Rivers ; Saponins/pharmacology ; Snails/drug effects
Chemical Substances	Molluscacides ; Saponins ; Niclosamide (8KK8CQ2K8G)
Language	Chinese
Publishing date	2013-12
Publishing country	China
Document type	English Abstract ; Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1005-6661
ISSN	1005-6661
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Article ; Online: Soil-transmitted helminth reinfection after drug treatment: a systematic review and meta-analysis.

Jia, Tie-Wu / Melville, Sara / Utzinger, Jürg / King, Charles H / Zhou, Xiao-Nong

PLoS neglected tropical diseases

2012 Volume 6, Issue 5, Page(s) e1621

Abstract: Background: Soil-transmitted helminth (STH) infections (i.e., Ascaris lumbricoides, hookworm, and Trichuris trichiura) affect more than a billion people. Preventive chemotherapy (i.e., repeated administration of anthelmintic drugs to at-risk populations) ...

Abstract	Background: Soil-transmitted helminth (STH) infections (i.e., Ascaris lumbricoides, hookworm, and Trichuris trichiura) affect more than a billion people. Preventive chemotherapy (i.e., repeated administration of anthelmintic drugs to at-risk populations), is the mainstay of control. This strategy, however, does not prevent reinfection. We performed a systematic review and meta-analysis to assess patterns and dynamics of STH reinfection after drug treatment. Methodology: We systematically searched PubMed, ISI Web of Science, EMBASE, Cochrane Database of Systematic Reviews, China National Knowledge Infrastructure, WanFang Database, Chinese Scientific Journal Database, and Google Scholar. Information on study year, country, sample size, age of participants, diagnostic method, drug administration strategy, prevalence and intensity of infection pre- and posttreatment, cure and egg reduction rate, evaluation period posttreatment, and adherence was extracted. Pooled risk ratios from random-effects models were used to assess the risk of STH reinfection after treatment. Our protocol is available on PROSPERO, registration number: CRD42011001678. Principal findings: From 154 studies identified, 51 were included and 24 provided STH infection rates pre- and posttreatment, whereas 42 reported determinants of predisposition to reinfection. At 3, 6, and 12 months posttreatment, A. lumbricoides prevalence reached 26% (95% confidence interval (CI): 16-43%), 68% (95% CI: 60-76%) and 94% (95% CI: 88-100%) of pretreatment levels, respectively. For T. trichiura, respective reinfection prevalence were 36% (95% CI: 28-47%), 67% (95% CI: 42-100%), and 82% (95% CI: 62-100%), and for hookworm, 30% (95% CI: 26-34%), 55% (95% CI: 34-87%), and 57% (95% CI: 49-67%). Prevalence and intensity of reinfection were positively correlated with pretreatment infection status. Conclusion: STH reinfections occur rapidly after treatment, particularly for A. lumbricoides and T. trichiura. Hence, there is a need for frequent anthelmintic drug administrations to maximize the benefit of preventive chemotherapy. Integrated control approaches emphasizing health education and environmental sanitation are needed to interrupt transmission of STH.
MeSH term(s)	Animals ; Anthelmintics/administration & dosage ; Ascariasis/drug therapy ; Drug Therapy/methods ; Helminthiasis/drug therapy ; Hookworm Infections/drug therapy ; Humans ; Recurrence ; Trichuriasis/drug therapy
Chemical Substances	Anthelmintics
Language	English
Publishing date	2012-05-08
Publishing country	United States
Document type	Journal Article ; Meta-Analysis ; Research Support, Non-U.S. Gov't ; Review ; Systematic Review
ZDB-ID	2429704-5
ISSN	1935-2735 ; 1935-2727
ISSN (online)	1935-2735
ISSN	1935-2727
DOI	10.1371/journal.pntd.0001621
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Article ; Online: Molluscicidal effectiveness of Luo-Wei, a novel plant-derived molluscicide, against Oncomelania hupensis, Biomphalaria alexandrina and Bulinus truncatus.

Jia, Tie-Wu / Wang, Wei / Sun, Le-Ping / Lv, Shan / Yang, Kun / Zhang, Neng-Min / Huang, Xi-Bao / Liu, Jian-Bing / Liu, Han-Cheng / Liu, Rui-Hua / Gawish, Fathia A / Habib, Mohamed R / El-Emam, Mohamed A / King, Charles H / Zhou, Xiao-Nong

Infectious diseases of poverty

2019 Volume 8, Issue 1, Page(s) 27

Abstract: Background: Control of snail intermediate hosts has been proved to be a fast and efficient approach for interrupting the transmission of schistosomiasis. Some plant extracts have shown obvious molluscicidal activity, and a new compound Luo-Wei, also ... ...

Abstract	Background: Control of snail intermediate hosts has been proved to be a fast and efficient approach for interrupting the transmission of schistosomiasis. Some plant extracts have shown obvious molluscicidal activity, and a new compound Luo-Wei, also named tea-seed distilled saponin (TDS), was developed based on the saponins extracted from Camellia oleifera seeds. We aimed to test the molluscicidal activity of 4% TDS against the intermediate host snails in China and Egypt, and evaluate its environmental safety to non-target organisms. Methods: In the laboratory, Oncomelania hupensis, Biomphalaria alexandrina and Bulinus truncatus were exposed to 4% TDS, and the median lethal concentration (LC Results: In the laboratory, the LC Conclusions: 4% TDS is active against O. hupensis, B. alexandrina and B. truncatus under laboratory and field conditions, and it may be a candidate molluscicide of plant origin.
MeSH term(s)	Animals ; Biomphalaria ; Bulinus ; China ; Egypt ; Lethal Dose 50 ; Molluscacides/administration & dosage ; Molluscacides/toxicity ; Plant Extracts ; Quail ; Schistosoma/drug effects ; Schistosomiasis/prevention & control ; Snails/drug effects ; Snails/parasitology ; Toxicity Tests
Chemical Substances	Molluscacides ; Plant Extracts
Language	English
Publishing date	2019-03-31
Publishing country	England
Document type	Journal Article
ZDB-ID	2689396-4
ISSN	2049-9957 ; 2049-9957
ISSN (online)	2049-9957
ISSN	2049-9957
DOI	10.1186/s40249-019-0535-7
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Article ; Online: Corrections to: Molluscicidal effectiveness of Luo-Wei, a novel plant-derived molluscicide, against Oncomelania hupensis, Biomphalaria alexandrina and Bulinus truncatus.

Infectious diseases of poverty

2019 Volume 8, Issue 1, Page(s) 42

Abstract: ...

Abstract	.
Language	English
Publishing date	2019-06-06
Publishing country	England
Document type	Journal Article ; Published Erratum
ZDB-ID	2689396-4
ISSN	2049-9957 ; 2049-9957
ISSN (online)	2049-9957
ISSN	2049-9957
DOI	10.1186/s40249-019-0548-2
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