Chinese medical experts share their experience of fighting the coronavirus with their counterparts in Mashonaland Central province, Zimbabwe, last month. ZHANG YULIANG/XINHUA

Li Nan, a representative from the Chinese embassy in South Africa, bumps elbows with Zweli Mkhize, the South African minister of health, during a handover ceremony in Johannesburg for the arrival of emergency medical equipment from China in April. THEMBA HADEBE/AP

Nurses caring for coronavirus patients in Nairobi, Kenya, take part in a dance-fitness class last month to help them deal with stress. BRIAN INGANGA/AP

Chinese medical supplies arrive at Addis Ababa Bole International Airport, Ethiopia, on March 22. WANG SHOUBAO/XINHUA