Late breaker oral session LBO-1.1 ACYCLOVIR ACHIEVES LOWER CONCENTRATION IN AFRICAN HIVL, HSV-2+ WOMEN COMPARED TO NON-AFRICAN POPULATIONS, POSSIBLY EXPLAINING LOWER HERPES SUPPRESSION

LBO-1.2 Figure 1 LBO-1.3 SYPHILIS INFECTION AND ASSOCIATED BEHAVIOURS AMONG TRANSGENDER WOMEN, CHICAGO 2010 doi:10.1136/sextrans-2011-050119.3 B Gratzer, A Hotton, M Pineda, D Pohl, L Martinez. Howard Brown Health Center/ UIC School of Public Health, Chicago, Illinois, USA; Howard Brown Health Center, Chicago, Illinois, USA Background Transgender women are an underserved and understudied population with unique medical and behavioural risk profiles. High rates of STIs and HIV in this population have been reported, although accurately quantifying STI rates and associated risks is difficult because of limitations in measurement of gender identity, lack of standardised reporting measures, and conflation betweenMen who Have Sex with Men (MSM) and transgender identities. In 2009 we reported a substantial increase in syphilis among transgender women at our clinic (from two cases in 4 years to ten cases in 1 year); in 2010 we identified 20 new cases, another substantial increase. We A350 Sex Transm Infect July 2011 Vol 87 Suppl 1 Late breaker abstracts group.bmj.com on October 11, 2017 Published by http://sti.bmj.com/ Downloaded from