![Volunteers wait to be checked at a vaccine trial facility set at Soweto's Chris Sani Baragwanath Hospital outside Johannesburg, South Africa, November 30, 2020.](/sites/default/files/media_2021/02/202102africa_southafrica_covid_vaccine.jpg)
Volunteers wait to be checked at a vaccine trial facility set at Soweto's Chris Sani Baragwanath Hospital outside Johannesburg, South Africa, November 30, 2020.
© 2021 AP Photo/Jerome Delay)
Volunteers wait to be checked at a vaccine trial facility set at Soweto's Chris Sani Baragwanath Hospital outside Johannesburg, South Africa, November 30, 2020.