Professor of vaccinology at Wits University Shabir Madhi says they will only know whether the country is approaching the fourth wave of coronavirus infections if the positivity rate reaches more than ten per cent for two consecutive weeks. Earlier the National Institute for Communicable Diseases said the coronavirus positivity rate had increased yet again to three-point-four per cent. There has been a steady increase in the rate - which is a measure of whether the spread of the virus is under control. To speak now about what it is we should know and how… 

 

Guest: Dr. Lesley Bamford – Covid-19 Team Leader and Chief Director for the Child Health Programme at the National Department of Health