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Mapping residual transmission for malaria elimination.
Robert C Reiner1,2, Arnaud Le Menach3, Simon Kunene4
1Fogarty International Center, National Institutes of Health, Bethesda, United States.
Elife
|December 30, 2015
Summary
Malaria elimination requires identifying residual transmission hotspots. New methods map
Area of Science:
- Epidemiology
- Public Health
- Infectious Disease Control
Background:
- Malaria elimination efforts face challenges in identifying residual transmission.
- Universal interventions yield diminishing returns in late-stage elimination.
- Accurate risk quantification is needed for resource allocation.
Purpose of the Study:
- To develop novel analytical methods for quantifying fine-grained malaria risk heterogeneity.
- To guide resource allocation in malaria elimination programs.
- To identify areas with the highest malariogenic potential.
Main Methods:
- Utilized routine national surveillance data from Swaziland.
- Estimated individual reproductive numbers to assess transmission risk.
- Combined reproductive numbers with local malaria importation rates to map malariogenic potential.
Main Results:
- Successfully mapped fine-grained heterogeneity in malaria risk.
- Developed a novel 'malariogenic potential' metric for malaria elimination.
- Demonstrated the utility of individual-based transmission risk measures.
Conclusions:
- Individual-based transmission risk measures offer meaningful metrics for malaria elimination planning.
- Prioritizing interventions in high-risk areas is crucial for successful elimination.
- The 'malariogenic potential' map aids in strategic resource allocation for malaria control.
