Rwandan Minister of Health Daniel Ngamije poses for photos in front of COVID-19 vaccines at the Kigali International Airport in Kigali, capital city of Rwanda, March 3, 2021. Rwanda on Wednesday morning received the first shipment of COVID-19 vaccines from COVAX in Kigali. (Photo by Cyril Ndegeya/Xinhua)

Workers load a container of COVID-19 vaccines at the Kigali International Airport in Kigali, capital city of Rwanda, March 3, 2021. Rwanda on Wednesday morning received the first shipment of COVID-19 vaccines from COVAX in Kigali. (Photo by Cyril Ndegeya/Xinhua)

Rwandan Minister of Health Daniel Ngamije (1st R) looks at the COVID-19 vaccines at the Kigali International Airport in Kigali, capital city of Rwanda, March 3, 2021. Rwanda on Wednesday morning received the first shipment of COVID-19 vaccines from COVAX in Kigali. (Photo by Cyril Ndegeya/Xinhua)

Rwandan Minister of Health Daniel Ngamije (3rd R) poses for group photos in front of COVID-19 vaccines at the Kigali International Airport in Kigali, capital city of Rwanda, March 3, 2021. Rwanda on Wednesday morning received the first shipment of COVID-19 vaccines from COVAX in Kigali. (Photo by Cyril Ndegeya/Xinhua)