%0 Letter %T Doxycycline postexposure prophylaxis may delay seroconversion in incident syphilis. %A Raccagni AR %A Bruzzesi E %A Castagna A %A Nozza S %J Sex Transm Infect %V 0 %N 0 %D 2024 Jun 17 %M 38886053 %F 4.199 %R 10.1136/sextrans-2024-056240