RT Journal Article SR Electronic T1 Response to: A double-edged sword: does highly active antiretroviral therapy contribute to syphilis incidence by impairing immunity to Treponema pallidum? JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP sextrans-2017-053212 DO 10.1136/sextrans-2017-053212 A1 David V Glidden A1 Kenneth Mayer A1 Robert M Grant YR 2017 UL http://sti.bmj.com/content/early/2017/04/13/sextrans-2017-053212.abstract AB