REFERENCES
  1. World Health Organization. WHO guidelines for the treatment of Treponema pallidum (syphilis). Geneva Switzerland: WHO, 2016.
  2. Yue X, Gong X, Li J, et al. Trends and characteristics of syphilis epidemic in China from 2014 to 2019. Chin J Dermatol 2021;54(08):668-72.
  3. National Center for STD Control, Chinese Center for Disease Control and Prevention; Venereology Group, Chinese Society of Dermatology; Subcommittee on Venereology, China Dermatologist Association. Guidelines for the diagnosis and treatment of syphilis, gonorrhea and genital Chlamydia trachomatis infection. Chin J Dermatol 2020;03:168-79.
  4. Hu HH, Xu TH, Li JH, Guo H. Non-sexually transmitted acquired syphilis in a three-year-old boy. Indian J Dermatol Venereol Leprol 2022;88(03):389-91.