Doctors inspect a quarantine center in Johannesburg, South Africa, last month. YESHIEL/XINHUA

Restaurant employees protest against a lockdown in Johannesburg. YESHIEL/XINHUA

A water cannon is used to disperse restaurant workers protesting against coronavirus lockdown regulations in Cape Town last month. [Photo/Agencies]

A boy reminds people to observe social distancing in Johannesburg. YESHIEL/XINHUA

A teacher screens students as schools begin to reopen after a lockdown in Langa township, Cape Town, South Africa, in June. [Photo/Agencies]

A South African medical worker collects a nucleic acid sample. [Photo provided to China Daily]