South Africa has the higest number of people living with HIV/AIDS.
Getting tested for HIV at home is still new in South Africa.
According to the UN, 5.6 million people are living with HIV, more than two million children up to the age of 17 were orphaned because of AIDS in 2011.
South Africa has also increased its spending to $1.6bn to tackle the disease, the highest by any low and middle income country.
One charity is helping those fearful of the stigma attached to HIV/AIDS.
Al Jazeera's Haru Mutasa reports from Witbank, South Africa.