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 313 OP 313 DO 10.1136/sextrans-2017-053212 VO 93 IS 5 A1 David V Glidden A1 Kenneth Mayer A1 Robert M Grant YR 2017 UL http://sti.bmj.com/content/93/5/313.abstract AB