A simplified approach for estimating prevalence from mortality by HIV sero-status in rural South Africa • Makandwe Nyirenda, University of Kwazulu-Natal ; Till Barnighausen, University of Kwazulu-Natal ; Marie-Louise Newell, University of Kwazulu-Natal and African Population and Health Research Center (APHRC)

Impact of migration on calculated prevalence and incidence of HIV in a longitudinal population-based cohort in rural Uganda • Dermot Maher, MRC/UVRI Uganda Research Unit on AIDS

Monitoring progress towards Millennium Development Goal 4 in generalised HIV epidemics: measurement and correction for bias in child mortality statistics • Simon Gregson, Imperial College ; Timothy Hallett, Imperial College London ; Felicia Kurwa, Imperial College London ; Geoff P Garnett, Imperial College London ; Sabada Dube, Imperial College ; Godwin Chawira, Imperial College London ; Peter Mason ; Constance Nyamukapa, Imperial College London

Reproductive and sexual behaviour, and HIV status in pregnant women in Mwanza region, Tanzania • Sarah Keogh, London School of Hygiene and Tropical Medicine (LSHTM) ; Emma Slaymaker, London School of Hygiene and Tropical Medicine (LSHTM) ; Yusufu Kumogola, National Institute for Medical Research, Tanzania ; Mark Urassa, National Institute for Medical Research, Tanzania