Despite major advances in therapy and management, HIV/AIDS continues to be a major cause of infectious disease morbidity and mortality on a global scale. The discovery of effective antiretroviral treatment has turned HIV infection into a manageable chronic disease in most patients with access to care. However, the different economic and epidemiologic situation in developing and developed countries requires different research priorities, so that three main challanges are universal and in focus of research of the DZIF HIV Translational Platform: