Trial design
malaria
MALARIA
To test the efficacy of DWL in a region with high malaria transmission throughout the year, a paired, randomized controlled trial was conducted in 40 clusters in Bomi County, Liberia (Fig. Flowchart of study design—Bomi County, Liberia. Initially, 42 clusters were identified, each housing approximately 50 children and with houses were spatially clustered. Participants were recruited in the 42 clusters for the baseline epidemiological survey. Two of the 42 clusters subsequently became insecure and had to be removed. The remaining 40 clusters were matched based on 