Third external quality assessment on antimicrobial susceptibility testing and detection of ESBL-, acquired AmpC-, and carbapenemase-production of Salmonella, 2017

This report presents the results of the third round of the external quality assessment (EQA) on antimicrobial
susceptibility testing (AST) for national public health laboratories on Salmonella (hereafter Salmonella EQA3-AST). The Salmonella EQA3-AST covered testing of antimicrobial susceptibility and detection and confirmation of ESBL-, acquired AmpC-, and carbapenemase-producing Salmonella. Twenty-seven National Public Health Reference Laboratories (NPHRLs) in the EU/EEA participated in the EQA which took place between February 2017 and January 2018. In addition, six EU candidate/potential candidate countries (EU enlargement countries) participated in the EQA. This report focuses only on the results from the EU/EEA countries.