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When Should the Emphasis on Schistosomiasis Control Move to Elimination?

Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA
Center for Tropical and Emerging Global Diseases and Department of Microbiology, University of Georgia, Athens, GA 30602, USA
Author to whom correspondence should be addressed.
Trop. Med. Infect. Dis. 2018, 3(3), 85;
Received: 29 June 2018 / Revised: 4 August 2018 / Accepted: 10 August 2018 / Published: 15 August 2018
(This article belongs to the Special Issue Prospects for Schistosomiasis Elimination)
The stated goal of the World Health Organization’s program on schistosomiasis is paraphrased as follows: to control morbidity and eliminate transmission where feasible. Switching from a goal of controlling morbidity to interrupting transmission may well be currently feasible in some countries in the Caribbean, some areas in South America, northern Africa, and selected endemic areas in sub-Saharan Africa where there have been improvements in sanitation and access to clean water. However, in most of sub-Saharan Africa, where programmatic interventions still consist solely of annual mass drug administration, such a switch in strategies remains premature. There is a continued need for operational research on how best to reduce transmission to a point where interruption of transmission may be achievable. The level of infection at which it is feasible to transition from control to elimination must also be defined. In parallel, there is also a need to develop and evaluate approaches for achieving and validating elimination. There are currently neither evidence-based methods nor tools for breaking transmission or verifying that it has been accomplished. The basis for these statements stems from numerous studies that will be reviewed and summarized in this article; many, but not all of which were undertaken as part of SCORE, the Schistosomiasis Consortium for Operational Research and Evaluation. View Full-Text
Keywords: schistosomiasis; control; elimination; Africa; operational research; goals; guidelines schistosomiasis; control; elimination; Africa; operational research; goals; guidelines
MDPI and ACS Style

Secor, W.E.; Colley, D.G. When Should the Emphasis on Schistosomiasis Control Move to Elimination? Trop. Med. Infect. Dis. 2018, 3, 85.

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