As third wave looms, new Covid variants throw scientists’ predictions awry
Detection, tracing and isolation are intensified as experts are confronted by a whole new set of possibilities
The detection of two new variants to our shores has shaken the foundation of the latest modelling on Covid-19 in SA.
Top scientists take part in modelling Covid-19 so that the rest of us can get a sense of what to expect when, and the government can respond accordingly, but even at its best modelling is beset with so many variables that the data are never definitive.
In the case of the latest “third wave” estimates, released by the SA Covid-19 Modelling Consortium last week, it was emphasised that none of the five scenarios they generated included the presence of a new variant...