When Should the Emphasis on Schistosomiasis Control Move to Elimination?
W Evan Secor1, Daniel G Colley2
1Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA. was4@cdc.gov.
Tropical Medicine and Infectious Disease
|October 3, 2018
Summary
Schistosomiasis control is shifting towards transmission elimination. However, interrupting schistosomiasis transmission requires more research and validated tools, especially in sub-Saharan Africa.
Area of Science:
- * Public Health
- * Infectious Diseases
- * Tropical Medicine
Background:
- * The World Health Organization (WHO) aims to control schistosomiasis morbidity and eliminate transmission.
- * Improvements in sanitation and water access make elimination feasible in some regions.
- * Mass drug administration remains the primary intervention in many endemic areas.
Purpose of the Study:
- * To assess the feasibility of transitioning from schistosomiasis morbidity control to transmission interruption.
- * To identify research needs for schistosomiasis elimination strategies.
- * To review current evidence and operational research on schistosomiasis control and elimination.
Main Methods:
- * Review and synthesis of numerous studies on schistosomiasis control and elimination.
- * Analysis of programmatic interventions, including mass drug administration.
- * Evaluation of the Schistosomiasis Consortium for Operational Research and Evaluation (SCORE) findings.
Main Results:
- * Transitioning to transmission elimination is feasible in specific regions with improved infrastructure.
- * Elimination strategies are premature for most of sub-Saharan Africa without further research.
- * Current methods for breaking and validating schistosomiasis transmission are insufficient.
Conclusions:
- * Continued operational research is crucial to define infection thresholds for elimination.
- * Development and evaluation of evidence-based tools for transmission interruption and validation are needed.
- * A strategic shift towards elimination requires tailored approaches based on regional feasibility and robust research.
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