RADZEC - Reactive Case Detection in Zanzibar: Effectiveness and Cost

Over the past 15 years, Zanzibar (United Republic of Tanzania) has achieved a substantial reduction in the burden of malaria by distributing insecticide treated mosquito nets, indoor residual spraying and artemisinin based combination treatment. Since 2008, Zanzibar has implemented the Malaria Epidemic Early Detection System (MEEDS), a mobile phone-based electronic surveillance system developed jointly by the Zanzibar Malaria Elimination Programme (ZAMEP), USAID/CDC President’s Malaria Initiative (PMI) and RTI International. The reactive case detection system implemented to date in combination with the other suite of interventions in Zanzibar does not appear to have interrupted local malaria transmission and may have ceased to lead to further declines in malaria incidence.

This project aims at contributing to the elimination of malaria on Zanzibar by providing evidence to improve the currently implemented surveillance-response strategy. Specifically, the project will address the following overall objectives:

1) To determine the effective coverage of the surveillance-response system,

2) To evaluate the surveillance-response system and identify potential improvements, and

3) To estimate the cost and cost-effectiveness of the system.

The study will include several components, including a procedural audit of existing program data, a rolling cross-sectional household survey as follow-up of reactive case detection activities, a treatment adherence study, and a qualitative inquiry into obstacles to the implementation of the current surveillance-response procedures.

It also invovles a strong capacity building component, where Swiss TPH supports the training of ZAMEP collaborators in the areas of epidemiology and molecular laboratory techniques.


Project partners:

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Selected projects at this location:

Involved Regions: Africa
Involved Countries: Tanzania, United Republic of


Manuel Hetzel

Project Facts

Collaborating Institutions