Covid-19 has shown the power of innovation and community services in a pandemic. These lessons should be applied to HIVIn a pandemic, when policy falls short, people die. Amid the growing Covid-19 pandemic and the continuing HIV pandemic, this is clearer today than ever before. From rules on access to testing to the distribution of new medical technologies or the use of criminal law in public health, policymaking is fraught. This World Aids Day, the global Aids response stands on a precipice.Actions in the next few years will either tip us towards halting HIV, making deaths and new infections rare, or towards a resurgent virus thriving on social faultlines.