ANRS 174 DOXYVAC: AN OPEN-LABEL RANDOMIZED TRIAL TO PREVENT STIs IN MSM ON PrEP
…(Doxy PEP: 200 mg within 72h of condomless sex) or no PEP (2:1); and 2 shots of meningococcal B vaccine (Bexsero°) or no vaccine (1:1). Participants were tested centrally at…