Keesey has said South Africa will vaccinate 40 million people, or two thirds of its population, in order to achieve herd immunity, though health workers have also voiced concerns that authorities have not acted fast enough to secure the required vaccines.
基西曾表示,南非將為4000萬人接種疫苗,佔其人口的三分之二,以達到群體免疫力,不過衛生工作者也對當局沒有足夠快的行動來確保所需疫苗表示擔憂。