Delta variant of COVID-19 starting to dominate in S.Africa, scientist says
South Africa is the continent's worst-affected nation in terms of coronavirus cases and deaths, accounting for roughly a third of confirmed infections and more than 40% of deaths.
A medical worker talks to volunteers as they wait to receive an injection during the country's first human clinical trial for a potential vaccine against the novel coronavirus, at the Baragwanath hospital in Soweto, South Africa, June 24, 2020. (photo credit: REUTERS/SIPHIWE SIBEKO)ByREUTERS
