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Published on: March 16, 2019
Predicting changing malaria risk after expanded insecticide-treated net coverage in Africa
David L Smith1, Simon I Hay, Abdisalan M Noor
1Department of Biology and Emerging Pathogens Institute, University of Florida, P.O. Box 100009, Gainesville, Florida 32610, USA. smitdave@gmail.com
Trends in Parasitology
|September 12, 2009
Summary
Mathematical models forecast insecticide-treated bednet (ITN) distribution to reduce malaria. This approach aids in setting coverage targets and evaluating ITN programs by predicting Plasmodium falciparum parasite rate (PfPR) in children.
Area of Science:
- Malariology
- Mathematical Modeling
- Public Health Interventions
Background:
- The Roll Back Malaria (RBM) partnership aims to protect populations using vector control.
- Mass distribution of insecticide-treated bednets (ITNs) is a key strategy for RBM.
- Predicting malaria endemicity shifts is crucial for program success.
Purpose of the Study:
- To forecast malaria endemicity changes driven by ITN distribution in Africa.
- To predict Plasmodium falciparum parasite rate (PfPR) endpoints and program timelines.
- To provide a framework for evaluating ITN programs and setting coverage targets.
Main Methods:
- Utilizing mathematical models to simulate the impact of ITNs on malaria transmission.
- Defining malaria endemicity by the Plasmodium falciparum parasite rate (PfPR) in children.
- Forecasting PfPR endpoints and optimal program timelines.
Main Results:
- Mathematical models can predict the impact of ITN programs on malaria endemicity.
- PfPR in children is a suitable metric for monitoring and evaluation.
- The study provides a basis for setting rational ITN coverage targets.
Conclusions:
- Mathematical modeling offers a method for context-dependent evaluation of ITN programs.
- This approach supports strategic planning for malaria control over the next decade.
- Accurate prediction of malaria parasite rates is essential for effective public health interventions.

