Professor Cherly Cohen explains WITS's latest study exploring SARS Cov2

The University of Witwatersrand in South Africa is part of a new study that will explore SARS-CoV-2 transmission by asymptomatic people in rural and urban households in the country. SARS-CoV-2 is the virus that causes coronavirus disease. Cheryl Cohen is the Professor of Epidemiology in the Wits School of Public Health and Head of the Centre for Respiratory Disease and Meningitis at the National Institute for Communicable Diseases in the National Health Laboratory Service she talks to Teddy Sibiya about the study..