Is HIV seroprevalence declining among women who access PMTCT services? A multi-country analysis. • Agbessi Amouzou, Elizabeth Glaser Pediatric AIDS Foundation ; Charlotte Colvin, Elizabeth Glaser Pediatric AIDS Foundation ; Charles Hoblitzelle, Elizabeth Glaser Pediatric AIDS Foundation ; Christian Pitter, Elizabeth Glaser Pediatric AIDS Foundation ; Allison Spensley, Elizabeth Glaser Pediatric AIDS Foundation ; Catherine Wilfert, Elizabeth Glaser Pediatric AIDS Foundation

Understanding the magnitude and spread of HIV/AIDS epidemic in sub-Saharan Africa: evidence from the demographic and health surveys and AIDS indicator surveys • Vinod Mishra, Macro International Inc. ; Anne R Cross, Macro International Inc. ; Bernard Barrere, Macro International Inc. ; Rathavuth Hong, Macro International Inc. ; Martin T Vaessen, Macro International Inc.

Bias in HIV prevalence estimates from refusals to be tested in seroprevalence surveys • Georges Reniers, Princeton University ; Jeff Eaton, Imperial College

Factors contributing to differences in prevalence o HIV/AIDS in South Africa and Bangladesh • Jeroen van Ginneken, Netherlands Interdisciplinary Demographic Institute (NIDI)