ALEXANDRA, SOUTH AFRICA - APRIL 27: Health workers conduct swabs with community member Mr Mashaba during intensified testing and screening on Freedom Day on April 27, 2020 in Alexandra, South Africa. It is reported that the Gauteng Department of Health has tested more than 13 500 people and screened around 1.2 million people for Covid-19 in the province, as it prepares for the move to Level 4 of the national lockdown. (Photo by Dino Lloyd/Gallo Images via Getty Images)