Stigma has many causes, one of which is a genuine fear of contagion. Despite the fact that HIV is now a treatable condition, "educational" messages on HIV prevention are still based on fear, and almost universally exaggerate the risks of HIV infection and its consequences.
Laura Derksen is an economist who studies global health and development. She's an assistant professor in the Strategic Management area at the University of Toronto's Rotman School of Business and the University of Toronto Mississauga. She uses field experiments to study how information and social networks affect health behaviour. She has worked in Malawi, Kenya, Uganda and India.
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