 Despite all prevention efforts, many people in Australia continue to be infected with HIV. The Seventh National HIV Strategy 2014-2017 in Australia aims to work towards the elimination of HIV transmission by the year 2020. This project will evaluate a new additional way to lower peoples chances of getting HIV. It will provide pre-exposure prophylaxis PrEP to people who are at high risk for HIV and evaluate what impact this new prevention approach will have on HIV in WA at the community level. 