Fig. 2: PDI at 5 × 5 km level for Ghana, Ethiopia, Kenya, and South Africa.
From: An index of access to essential infrastructure to identify where physical distancing is impossible

Estimates of the PDI at pixel level (5 × 5 km) for Ghana (a); Ethiopia (b); Kenya (c) and South Africa (d). Source: DHS and Center for International Earth Science Information Network—CIESIN—Columbia University52; calculations by the authors.