Will SA really experience a second wave? Prof Tulio de Oliveira explains

We've heard many reports about a second wave that is set to hit South Africa, and even rumours about the country returning to lockdown level 3 or 5. However, President Ramaphosa has addressed those rumours and stated that there will not be a hard lockdown. But what about a second wave? Prof Tulio de Oliveira weighs in about the increasing number of infections in South Africa and America, the 'business as usual sentiment' and the existing number of strains of COVID.