Protests continued for a fifth night over high unemployment and an economic crisis.
The cardiologist, who works in Cape Town, once headed the apartheid-era secret germ warfare programme.
An Egyptian conglomerate worth billions of dollars invests $120m in the Right To Dream academy, founded in Ghana in 1999, with plans to expand in Egypt and the UK.
The southern African state has recorded a surge in cases since the end of the festive season.
South Africa is the worst-hit country in Africa, but has not yet started doing Covid-19 vaccinations.
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