Integrated control programmes for schistosomiasis and other helminth infections in P.R. China

Xu, Jing; Xu, Junfang; Li, Shi-Zhu; Zhang, Li-Juan; Wang, Qiang; Zhu, Haobo; Zhou, Xiao‐Nong

doi:10.1016/j.actatropica.2013.11.028

Cited by 51 publications

(32 citation statements)

References 78 publications

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“…China has been uniquely successful in reducing prevalence and disease burden of S. japonicum infections over the past 60 years (Utzinger et al, 2005;Xu et al, 2015;Zhou et al, 2010), schistosomiasis is still a major problem in the Philippines (Bergquist and Tanner, 2010;Olveda et al, 2014). Presence of S. mekongi infections is limited to a few foci in northern Cambodia and southern Lao PDR (Muth et al, 2010).…”

Section: Introductionmentioning

confidence: 96%

Evaluation of banked urine samples for the detection of circulating anodic and cathodic antigens in Schistosoma mekongi and S. japonicum infections: A proof-of-concept study

et al. 2015

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In Asia, Schistosoma japonicum is the predominant schistosome species, while Schistosoma mekongi is confined to limited foci in Cambodia and Lao People's Democratic Republic. While the People's Republic of China has been successful in controlling schistosomiasis, the disease remains a major public health issue in other areas. In order to prioritise intervention areas, not only accurate diagnosis is important but also other factors, such as practicality, time-efficiency and cost-effectiveness, since they strongly influence the success of control programmes. To evaluate the highly specific urine-based assays for the schistosome circulating cathodic antigen (CCA) and the circulating anodic antigen (CAA), banked urine samples from Cambodia (n=106) and the Philippines (n=43) were examined by the upconverted phosphor lateral flow (UCP-LF) CAA assay and the point-of-care (POC)-CCA urine assay. Based on 250 μl urine samples, UCP-LF CAA sensitivity outcomes surpassed a single stool examination by the Kato-Katz technique. The banked urine samples in the current study did not allow the evaluation of larger volumes, which conceivably should deliver considerably higher readings. The sensitivity of a single urine POC-CCA was in the same order as that of a single Kato-Katz thick smear examination, while the sensitivity approached that of triplicate Kato-Katz when a combination of both CAA and CCA assays was used. The promising results from the current proof-of-concept study call for larger investigations that will determine the accuracy of the urine-based CCA and CAA assays for S. mekongi and S. japonicum diagnosis.

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Section: Introductionmentioning

confidence: 96%

Evaluation of banked urine samples for the detection of circulating anodic and cathodic antigens in Schistosoma mekongi and S. japonicum infections: A proof-of-concept study

et al. 2015

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“…According to the environmental ecosystems and snail habitats, schistosomiasis-endemic regions are classified into three types in China, including marshland and lake regions, plain regions with waterway network, and hilly and mountainous regions [7], and a “infection control-transmission control-transmission interruption-elimination” four-stage roadmap has been developed [8–10]. Since the initiation of the national schistosomiasis control program at early 1950s [11–13], schistosomiasis control has been given a high priority in China [14, 15], and multiple integrated strategies have been proposed according to the epidemiological profile and intensity of transmission, which have resulted in a great success in schistosomiasis control in the country [16]. Notably, an integrated strategy with emphasis on infectious source control was developed in 2004 [17], and the wide implementation of the strategy results in a huge reduction in S. japonicum infection in humans, livestock and snails in China [18–32].…”

Section: Introductionmentioning

confidence: 99%

An integrated environmental improvement of marshlands: impact on control and elimination of schistosomiasis in marshland regions along the Yangtze River, China

Wang

Zuo

et al. 2017

Infect Dis Poverty

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BackgroundSchistosomiasis is a global snail-transmitted infectious disease of poverty. Transmission control had been achieved in China in 2015 after the control efforts for over 60 years. Currently, the remaining core regions endemic for Schistosoma japonicum are mainly located in the marshland and lake regions along the Yangtze River basin.MethodsDuring the period from 2001 through 2015, an integrated environmental improvement of the marshlands was carried out through the implementation of industrial, agricultural and resources development projects in Yizheng County along the Yangtze River. S. japonicum infection in humans, livestock and snails was estimated by serology, stool examination, hatching technique and microscopy during the 15-year study period to evaluate the effect of the integrated environmental improvement on control and elimination of schistosomiasis.ResultsA 0.05% overall rate of S. japonicum infection was observed in snails during the 15-year study period, and no infected snails were detected since 2012. The overall prevalence of S. japonicum infection was 0.09% in humans during the study period, and no human infection was found since 2012. In addition, only 13 bovines were identified with S. japonicum infection in 2003 during the 15-year study period, and since 2004, no infection was found in livestock.ConclusionThe results of the present study demonstrate that the implementation of industrial, agricultural and water resources development projects, not only alters snail habitats in marshland regions, and promotes local economic development, which appears a win-to-win strategy to block the transmission of S. japonicum and accelerate socio-economic development along the Yangtze River.Electronic supplementary materialThe online version of this article (doi:10.1186/s40249-017-0287-1) contains supplementary material, which is available to authorized users.

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“…In our analysis on the breadth and depth of the 22 contributions, we found that Chinese authors are becoming increasingly active with respect to control and elimination of tropical diseases. In concurrence with patterns recently published by Utzinger et al [40] and Bergquist et al [31,40], the application of surveillanceresponse systems have developed into a necessary and sustainable part of the Chinese national disease control and elimination programmes [40][41][42][43][44]. support for data collection and analysis.…”

Section: Innovative Technologymentioning

confidence: 59%

“…Through development and application of surveillanceresponse systems as part of the national diseases control and elimination programmes [40][41][42][43][44], P.R. China is becoming an important player in the area of the control and elimination of tropical diseases.…”

Section: Discussionmentioning

confidence: 99%

Surveillance and response systems for elimination of tropical diseases: summary of a thematic series in Infectious Diseases of Poverty

et al. 2016

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The peer-reviewed journal Infectious Diseases of Poverty provides a new platform to engage with, and disseminate in an open-access format, science outside traditional disciplinary boundaries. The current piece reviews a thematic series on surveillance-response systems for elimination of tropical diseases. Overall, 22 contributions covering a broad array of diseases are featured – i.e. clonorchiasis, dengue, hepatitis, human immunodeficiency virus/acquired immune deficiency syndrome (HIV/AIDS), H7N9 avian influenza, lymphatic filariasis, malaria, Middle East respiratory syndrome (MERS), rabies, schistosomiasis and tuberculosis (TB). There are five scoping reviews, a commentary, a letter to the editor, an opinion piece and an editorial pertaining to the theme “Elimination of tropical disease through surveillance and response”. The remaining 13 articles are original contributions mainly covering (i) drug resistance; (ii) innovation and validation in the field of mathematical modelling; (iii) elimination of infectious diseases; and (iv) social media reports on disease outbreak notifications released by national health authorities. Analysis of the authors’ affiliations reveals that scientists from the People’s Republic of China (P.R. China) are prominently represented. Possible explanations include the fact that the 2012 and 2014 international conferences pertaining to surveillance-response mechanisms were both hosted by the National Institute of Parasitic Diseases (NIPD) in Shanghai, coupled with P.R. China’s growing importance with regard to the control of infectious diseases. Within 4 to 22 months of publication, three of the 22 contributions were viewed more than 10 000 times each. With sustained efforts focusing on relevant and strategic information towards control and elimination of infectious diseases, Infectious Diseases of Poverty has become a leading journal in the field of surveillance and response systems in infectious diseases and beyond.Electronic supplementary materialThe online version of this article (doi:10.1186/s40249-016-0144-7) contains supplementary material, which is available to authorized users.

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Integrated control programmes for schistosomiasis and other helminth infections in P.R. China

Cited by 51 publications

References 78 publications

Evaluation of banked urine samples for the detection of circulating anodic and cathodic antigens in Schistosoma mekongi and S. japonicum infections: A proof-of-concept study

Evaluation of banked urine samples for the detection of circulating anodic and cathodic antigens in Schistosoma mekongi and S. japonicum infections: A proof-of-concept study

An integrated environmental improvement of marshlands: impact on control and elimination of schistosomiasis in marshland regions along the Yangtze River, China

Surveillance and response systems for elimination of tropical diseases: summary of a thematic series in Infectious Diseases of Poverty

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