JOHANNESBURG, SOUTH AFRICA - MAY 08: A health worker assists a police traffic officer inside a mobile NHLS testing lab at a Diepsloot COVID-19 screening and testing site at Diepsloot Sarafina Park on May 08, 2020 in Johannesburg, South Africa. Reports claim that in Diepsloot more than 12 000 people have been screened with over 1000 people tested. The Premier urged the people of Diepsloot to continue practicing safety measures including social distancing and wearing cloth masks when leaving home. (Photo by Dino Lloyd)