Numbers are adding up: 'SA herd immunity is starting to work

All nine provinces are through the third Covid-19 wave and SA is in a ‘good place’, says CSIR’s Dr Ridhwaan Suliman

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, Covid 19 , Herd Immunity , Third Wave , Resurgence , Fourth Wave , 9 Provinces , Dr Ridhwaan Suliman , Csir , Researcher ,