Fig. 5.

Spatial distribution across sub-Saharan Africa of the annual cost of a community health worker programme

^a These protocols are from the Millennium Villages’ deworming protocol.

Note: The map shows expenditure in every 2.5 minute cell (roughly 4.6 × 4.6 km). Costs are calculated as CHW programme cost per rural inhabitant at the country level, then multiplied by the rural population in each grid cell.