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HIV MEDICINE Volume 18, Supplement 1, April 2017 Abstracts of the 23rd Annual Conference of the British HIV Association (BHIVA) Liverpool, UK 4–7 April 2017 Contents Oral Abstracts O1–O6 Antiretroviral Therapy 3 O7–O15 Testing and Early Infection 5 O16–O24 Toxicities and Comorbidities 8 O25–O30 Living with HIV 11 Poster Abstracts P1–P23 Antiretrovirals: Efficacy, Interactions and Pharmacokinetics 14 P24–P27 Basic Science: Immunology, Virology and Pathogenesis 22 P28–P35 Behaviour, Transmission and Prevention 23 P36–P48 Children and Pregnancy 26 P49–P106 Comorbidities, Co-infections and HIV/ART Complications 30 P107–P131 HIV Testing, Epidemiology and Surveillance 48 P132–P143 Psychosocial Issues and Quality of Life 55 P144–P169 Service Development, Education and Training 59 P170–P176 STIs, Reproductive Health, Contraception and Sexual Dysfunction 68 Disclaimer This abstract book has been produced using author-supplied copy. No responsibility is assumed for any claims, instructions, methods or drug dosages contained in the abstracts; it is recommended that these are verified independently. EDITORS EDITORIAL BOARD Brian Gazzard, UK José Gatell, Spain Jens Lundgren, Denmark Margaret Johnson, UK Jürgen Rockstroh, Germany Schlomo Staszewski, Germany Ian Williams, UK Oral Abstracts Methods: A single (SD) and multiple-dose (MD) randomized, double-blind, placebo-controlled (6 active 2 placebo/cohort) of