South Africa recorded 1,575 new coronavirus cases in the last 24 hours, pushing the number of infections to 692,471, Health Ministry said in a statement on Sunday.
Mkhize said 107 people died from the virus during the same period, bringing fatalities to 17,780.
The ministry also said the nation has conducted 4.4 million tests since the virus was first detected in the country six months ago, with 19,270 performed in the past 24 hours.
At least 623,765 patients have recovered which translates to a recovery rate of 90%, the ministry said.
South Africa has the highest number of COVID-19 cases in Africa.