Episode 58 – Demystifying Syphilis: Diagnosis and Treatment with Khalil Ghanem (October 7, 2025)

In episode 58 of Going anti-Viral, Dr Khalil Ghanem joins host Dr Michael Saag to discuss current challenges in the diagnosis and treatment of syphilis. Dr Ghanem is a Professor of Medicine in the Division of Infectious Diseases at Johns Hopkins University School of Medicine. Dr Ghanem’s research focuses on reproductive tract infections in particular syphilis and the vaginal microbiome. He was a consultant to the Centers for Disease Control and Prevention on the development of the 2010 and 2015 Adult Syphilis Treatment Guidelines. Dr Ghanem discusses the history and current trends of syphilis, including the impact of doxycycline post-exposure prophylaxis (DoxyPEP) on infection rates. Dr Saag and Dr Ghanem also address screening and testing for syphilis and the current issues faced in diagnosis and treatment including the management of penicillin G benzathine shortages. Finally, Dr Ghanem looks ahead to new research to address syphilis management, emphasizing the need for better diagnostics and treatment options, especially during pregnancy.