14 / 144 danmap 2015 14 danmap - 20 years 2. relation to travel could be established [danmap report 2014 and textbox 8.2 in danmap 2015]. a long-term outbreak (more than 4 years) with ndm-1 producing citrobacter freundii and further spread to other enterobacteriaceae has been reported (hammerum et al, 2016). the cooperation between the clinical microbiology departments and ssi via the so-called danres-network seems to assure that all laboratories screen for meropenem-resistance in enterobacteriaceae and other selected gram-negative pathogens in all clinical samples and submit suspected isolates to ssi for epidemiological surveil- lance. carbapenem
