PO1/01 Psychosocial dynamics of HIV late presentation - results and recommendations from a qualitative study in Germany PO1/02 Reduced proportion of peripheral CD4+ T-cells expressing IL-7 receptor (IL-7R, CD127) as peculiar feature of late presentation of HIV infection PO1/03 What is hidden under the late enrollment in HIV care: illustrative example of Odessa Region, Ukraine PO1/04 High risk groups for late HIV diagnosis in Georgia PO1/05 Late presentation of HIV infection among adults in Catalonia (Spain): 2001-2010 PO1/06 Characteristics of PLHIV newly registered in Volga Federal District in 2008-2010 PO1/07 Late presenters at the HIV/STI clinic in Antwerp, Belgium PO1/08 Trends in the characteristics of HIV infected individuals at diagnosis in Portugal - 2000-2011 PO1/09 Recent infection and late diagnosis of HIV: a descriptive analysis of opposite ends of the spectrum