Rectal carriage of antimicrobial resistant Enterobacteriaceae among MSM using HIV pre-exposure prophylaxis (PrEP): A cross-sectional study in Italy

Leonardo Calza, Marielle Ezekielle Djusse, Claudio Foschi, Tiziana Lazzarotto, Antonella Marangoni, Simone Ambretti, Section of Infectious Diseases, Department of Medical and Surgical Sciences, Alma Mater Studiorum University of Bologna, Infectious Diseases Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Section of Microbiology, Department of Medical and Surgical Sciences, Alma Mater Studiorum - University of Bologna, Microbiology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna

International Journal of STD & AIDS: Clinical practice in sexual health

Published online on March 10, 2026

Abstract

International Journal of STD & AIDS, Volume 37, Issue 7, Page 778-782, June 2026.
BackgroundMen who have sex with men (MSM) receiving HIV pre-exposure prophylaxis (PrEP) are often exposed to repeated antimicrobials due to a high burden of sexually transmitted infections (STIs). These factors may contribute to the selection of ...