InterPrEP. Internet-based pre-exposure prophylaxis with generic tenofovir DF/emtricitabine in London: an analysis of outcomes in 641 patients
HIV pre-exposure prophylaxis (PrEP) is not available on the National Health Service (NHS) in England. People are buying generic versions of tenofovir disoproxil fumarate(TDF)/emtricitabine (FTC) on the internet, which is legal under UK import laws.