PolanskyALevyIMorZ. Risk factors of syphilis co-infection among HIV-infected men who have sex with men in Tel-Aviv, Israel. AIDS Care2019; 31(9): 1157–1161.
2.
KenyonCLynenLFlorenceE, et al.Syphilis reinfections pose problems for syphilis diagnosis in Antwerp, Belgium - 1992 to 2012.Euro Surveill2014; 19(45): 20958.
3.
KenyonCOsbakKKApersL. Repeat syphilis is more likely to be asymptomatic in HIV-infected individuals: a retrospective cohort analysis with important implications for screening. Open Forum Infect Dis2018; 5(6): ofy096.