Since the early days of the AIDS epidemic, many bizarre and dangerous hypotheses have been advanced to explain the origins of the disease. In her book, Nicoli Nattrass explores the social and political factors prolonging the erroneous belief that the American government manufactured the human immunodeficiency virus (HIV) to be used as a biological weapon, as well as the myth's consequences for behavior, especially within African American and black South African communities.
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Thinking Allowed is on BBC Radio 4 on Wednesdays at 4.00pm and repeated on Monday mornings at 12.15am. Full transmission details, and listen again links, can be found on bbc.co.uk