Preliminary survey of extended-spectrum β-lactamases (ESBLs) in nosocomial uropathogen in north-central Iran.

Infections caused by extended-spectrum β-lactamases (ESBLs) producing bacteria, including have increasingly subjected to therapeutic limitations and patients with these infections are at high risk for treatment failure, long hospital stays, high health care costs, and high mortality. The aim of this study was to screen the prevalence of the , and ESBL genes in . strains isolated from nosocomial urinary tract infections (UTIs).