We report on fosfomycin susceptibility and mechanisms of resistance in clinical strains of blaKPC-positive Enterobacter sp. (n = 19). A total of 14 strains (74%) were susceptible to fosfomycin; 8 strains (42%) were positive for fosA and no strains were positive for FosA3 or FosC2. FosA presence does not appear to correlate with susceptibility.
Keywords: Antibiotic resistance; Antimicrobial activity; Antimicrobial agents; Beta-lactamases; Clinical therapeutics; Gram-negative bacteria.
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