Ecological Economics

October 2017 saw the UK National Health Service (NHS) begin a 3-year trial of the Pre-exposure Prophylaxis (PrEP) drug Truvada1. This once-a-day tablet, likened to taking the contraceptive pill, could significantly reduce the likelihood of uninfected but ‘high-at-risk’ people contracting HIV amongst certain communities2.The United States Food and Drug Administration...