South Africa is struggling to contain a second wave of Covid-19 infections, fuelled by a virulent new local variant of the virus, “Covid fatigue” and a series of “super-spreader” events. On Thursday health officials announced 844 deaths and 21,832 new cases in a 24-hour period, the worst toll yet. Experts believe the second wave has yet to reach its peak in the country of 60 million, and fear healthcare services in the country’s main economic.