New Delhi metallo-β-lactamase-1 among Escherichia coli strains isolated from leukemia patients in Iran: two case reports.

The emergence of New Delhi metallo-beta-lactamase-1-producing Escherichia coli is a threat for leukemia patients in oncology and hematology departments. We conclude that the incidence of multidrug resistant pathogens has increased among patients with leukemia and is life threatening.