Giving further details on the victims, the health ministry said the first was a 79-year-old man from the Western Cape.
"[He] presented with shortness of breath and chest pain. His co-morbidities included diabetes, hypertension, chronic kidney disease and cardiac disease," the ministry said.
The second fatality was that of a 58-year-old man, also from the Western Cape.
"[He] presented with imminent cardiovascular arrest. He was a person living with HIV and had obesity."
The third victim was a 54-year-old male who presented with respiratory distress.
"He had underlying diabetes," the department said.
The provincial breakdown is as follows:
- Gauteng - 1353
- Western Cape - 1737
- KwaZulu-Natal - 902
- Eastern Cape - 588
- Free State - 111
- Limpopo - 31
- North West - 28
- Mpumalanga - 26
- Northern Cape - 17