Overview of Salmonella Infections By Larry M Bush, MD, FACP, Charles E Schmidt College of Medicine, Florida Atlantic University; Maria T Vazquez-Pertejo, MD, FACP, Wellington Regional Medical Center Reviewed / Revised Apr 2022 | Modified Sep 2022 View Patient Education The genus Salmonella is divided into 2 species, S enterica and S bongori, which include > 2500 known serotypes.