[The Conversation Africa] Gauteng is the smallest of South Africa's nine provinces but home to a quarter of the country's population. It is also the country's economic power house. These factors have contributed to it becoming the epicentre of the COVID-19 epidemic. Gauteng's COVID-19 surveillance aims to provide an understanding of the province's experience. This also serves as an early warning system for other parts of the country. Public health medicine specialist Harsha Somaroo is part of the team analysing data for the Gauteng
