A health worker creates a social distancing mark on the ground for residents queuing for Covid-19 testing, in Nairobi, Kenya. By David Herbling June 29,
Health centre in Sainte Dominique, Dakar, Senegal. Jean-Jacques Lemasson/IRD, CC BY-SA March 10, 2017 3.07am GMT By Fanny Chabrol – Postdoctoral fellow in
Nairobi, Kenya, which has seen rapid economic expansion in recent years, is seen through a crisscross of electrical lines on May 16, 2019. TONY KARUMBA/AFP