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A health worker screens a resident at Diepsloot Covid-19 screening and testing site at Diepsloot Sarafina Park on May 08, 2020 in Johannesburg, South Africa. It is reported that more than 12 000 people have been screened and over 1000 people tested in Diepsloot. The Premier urged the people of Diepsloot to continue practicing safety measures including social distancing and wearing cloth masks when leaving home. (Photo by Sharon Seretlo/Gallo Images via Getty Images)
ALCOHOL BAN

How do we know if SA is in a third Covid-19 wave — and could there be a fourth?

A team working with the country’s Covid ministerial advisory committee uses a formula to keep tabs on the rise of infections. Here’s how it works

  • Laura Grant
  • Mia Malan
  • Alastair Otter
15 min read