Timeline of events including flooding, each round of chemoprevention including number of children receiving chemoprevention and estimated proportion of coverage, and period of clinic surveillance. Figure previously published in related article (Boyce et al. [35]). Figure created with BioRender.com. *Preflood survey was conducted in Izinga village as part of unrelated, ongoing study of malaria transmission in the area. Abbreviation: Sat, satellite.