Table of contents

Epidemiology

• Original article: Untested and undiagnosed: barriers to HIV testing among men who have sex with men, Beijing, China (8 December, 2011)

  Xuefeng Li, Hongyan Lu, H F Raymond, Yanming Sun, Yujiang Jia, Xiong He, Song Fan, Yiming Shao, Willi McFarland, Yan Xiao, Yuhua Ruan
• Original article: Trends in the incidence of HIV in Scotland, 1988–2009 (8 December, 2011)

  Scott A McDonald, Sharon J Hutchinson, Lesley A Wallace, Sheila O Cameron, Kate Templeton, Paul McIntyre, Pamela Molyneaux, Amanda Weir, Glenn Codere, David J Goldberg
• Original article: Core groups, antimicrobial resistance and rebound in gonorrhoea in North America (14 December, 2011)

  Christina H Chan, Caitlin J McCabe, David N Fisman
• Original article: Systematic selection of screening participants by risk score in a chlamydia screening programme is feasible and effective (3 January, 2012) Free

  Ingrid V F van den Broek, Elfi E H G Brouwers, Hannelore M Götz, Jan E A M van Bergen, Eline L M Op de Coul, Johannes S A Fennema, Rik H Koekenbier, Lydia L Pars, Sander M van Ravesteijn, Christian J P A Hoebe
• Original article: Epidemiology of, and behavioural risk factors for, sexually transmitted human papillomavirus infection in men and women in Britain (17 January, 2012)

  Anne M Johnson, Catherine H Mercer, Simon Beddows, Natasha de Silva, Sarika Desai, Rebecca Howell-Jones, Caroline Carder, Pam Sonnenberg, Kevin A Fenton, Catherine Lowndes, Kate Soldan