Health minister Dr Zweli Mkhize has raised concerns about South Africa's Covid-19 trajectory following the latest spike in Covid-19 cases. Dr Mkhize says epidemiological reports show that over the last 7 days there has been an increase of 9.1% in new cases. Similarly, over the last 14 days, there has been an increase of 10.7%. He is in isolation after he and his wife, Dr May Mkhize, tested positive for Covid-19 at the weekend.