Today is the final day of AIDS 2014, the 20th International AIDS Conference hosted in Melbourne this week. Despite the devastating start to the conference, with the loss of delegates on board flight MH17, the week has been revitalising for the international HIV community and we end AIDS 2014 with a strong sense of current priorities in the fight against HIV. Here are my four top messages from the conference, and what I think they mean for the UK's efforts to tackle HIV: