Similar antimicrobial resistance and virulence profiles among Aeromonas isolates from recreational beaches, post-chlorinated wastewater and clinical samples in Milwaukee, Wisconsin USA

Aeromonas, a genus of Gram-negative facultative anaerobes, is linked to human diseases and may contribute to the spread of antimicrobial resistance (AMR) in the environment. The study assessed Aeromonas isolates from wastewater effluents, beach sands, and clinics. Results showed that Aeromonas constitutes 22-50% of culturable bacteria across all three beaches, with AMR and multi-drug resistant populations more prevalent in the clinics. The data suggests that Aeromonas populations may have higher AMR acquisition rates, potentially causing human infections.