A healthcare worker administers a Covid-19 vaccine to a woman in Johannesburg, South Africa, December 04, 2021. Sumaya Hisham | Reuters Burundi, the Democratic Republic of Congo and Haiti are the leas...
A healthcare worker administers a Covid-19 vaccine to a woman in Johannesburg, South Africa, December 04, 2021. Sumaya Hisham | Reuters Burundi, the Democratic Republic of Congo and Haiti are the leas...