Figure 1

Map of the 10 study villages: (A) location of Burkina Faso, (B) location of Cascades Region in Burkina Faso and (C) location of Banfora Health District and study villages in Cascades Region. The map was generated using QGIS 3.1619. Background layers were downloaded for OpenStreetMap20, villages were digitised by the authors using GPS coordinates collected in the field using a GARMIN eTREX 10 GPS.