Sindisiwe van Zyl (née Mahamba-Sithole; 3 April 1976 â 10 April 2021) was a Zimbabwean-born South African physician, radio DJ, columnist, health activist and researcher known for using social and mainstream media to share HIV-related, mental health, reproductive health, other medical and public health information. She won several awards for her work. Because of her extensive public health advocacy, she was known as "the people's doctor".
Van Zyl was born on 3 April 1976 in Salisbury, Rhodesia (now Harare, Zimbabwe). For secondary education she attended Arundel School. For tertiary education she attended the University of Pretoria, where she obtained a Bachelor of Science in human physiology and psychology and a Bachelor of Medicine, Bachelor of Surgery degree. Dr Sindisiwe Van Zyl interned at Chris Hani Baragwanath Hospital. In 2004, she married Marinus van Zyl.
She used Twitter, mainly, to inform and engage about HIV particularly prevention of mother-to-child transmission. She also appeared frequently on TV, radio and other media platforms. She shared about her personal journey with depression and physician burnout. Dr. van Zyl chronicled how she lost 41 kg while on a Banting diet. She was a natural short sleeper requiring about 4 hours of sleep per night while functioning normally. Her scientific research has included guidelines to support HIV-affected individuals and couples to achieve pregnancy safely and COVID-19 and HIV co-infection. She held various roles in the South African Medical Association. She was a member of Médecins Sans Frontières Southern Africa's Board of directors. Because of her extensive public health advocacy, she was known as "the people's doctor".
Her media affiliations included:
On 10 April 2021, she died at the age of 45 from COVID-19. Her funeral was on 15 April 2021. Memorials of Dr Sindi included people posting themselves on social media wearing dresses with pockets, which was her signature style.