A medical worker administers the COVID-19 vaccine to a recipient at Kasangati Health Center, Wakiso District, Central Region, Uganda, March 16, 2021. Uganda on March 10 rolled out a coronavirus vaccination exercise in phases after the country receives the first shipment of the AstraZeneca vaccines on March 5.

A medical worker shows COVID-19 vaccination card at Kasangati Health Center, Wakiso District, Central Region, Uganda, March 16, 2021. Uganda on March 10 rolled out a coronavirus vaccination exercise in phases after the country receives the first shipment of the AstraZeneca vaccines on March 5.

A man receives COVID-19 vaccine at Kasangati Health Center, Wakiso District, Central Region, Uganda, March 16, 2021. Uganda on March 10 rolled out a coronavirus vaccination exercise in phases after the country receives the first shipment of the AstraZeneca vaccines on March 5.

A medical worker shows a vial of the COVID-19 vaccine at Kasangati Health Center, Wakiso District, Central Region, Uganda, March 16, 2021. Uganda on March 10 rolled out a coronavirus vaccination exercise in phases after the country receives the first shipment of the AstraZeneca vaccines on March 5. (Photos: Xinhua)