outbreak of infections caused by enterobacter cloacae producing the integron-associated beta-lactamase ibc-1 in a neonatal intensive care unit of a greek hospital.nineteen of 27 ceftazidime-resistant enterobacter cloacae isolates from a neonatal intensive care unit in thessaloniki, greece, had genes coding for the novel extended-spectrum beta-lactamase ibc-1; 18 of those 19 harbored similar conjugative plasmids and belonged to two distinct genetic lineages. a synergy test with ceftazidime and imipenem enabled us to identify five unrelated bla(ibc-1)-carrying e. cloacae isolates from other wards of the hospital. it seems that this integron-associated gene ...200211959604
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