Four speeches and presentations held during the plenary session of the Copenhagen 2012 Conference: Keynote speech: Danish Acting Minister of Health, Pia Olsen Dyhr; Characteristics of the epidemiology and temporal trends of late presenters in Europe, Joanne Reekie; An assessment of the approaches to evaluating cost-effectiveness of HIV screening strategies, Olivia Wu; Guidance on Indicator Condition-Guided HIV Testing: Presentation of draft guidance document, Keith Radcliffe.