Reactive case detection for malaria elimination: real-life experience from an ongoing program in Swaziland. Reactive case detection, whereby individuals living in close proximity to passively detected malaria cases are screened and treated, is one approach being used by a number of countries including Swaziland. To establish the epidemiologically and operationally optimal screening radius around passively detected index cases,we analysed data collected between December 2009 and June 2012 from reactive case detection (RACD) activities in Swaziland. Using satellite imagery, we also evaluated the household coverage achieved during reactive case detection.
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