President Cyril Ramaphosa created a new stage in our fight against Covid-19 in his latest address to the nation when he announced two important policies: the wide-scale screening of people across the country, and the introduction of a “track and trace” system to follow up on the contacts of Covid-19 patients. Both policies, if done right, are crucial components of an efficient response to this and future coronavirus outbreaks.

The problem is that neither of the policies is being executed properly. Both come with very serious and negative consequences that could be avoided with only small changes...

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