Being an official Covid-19 modelling expert can’t be easy. Especially when you have to read letters in the press offering to help you get your predictions right.

Last week, the Pandemic-Data Analysis (Panda) group wrote a scathing letter to the SA Covid-19 Modelling Consortium that was published on News24. It suggested the consortium reconsider its methods, as its official model “has now departed too far from reality to be useful”...

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