Fig. 1From: Prevalence of antibiotic resistant Escherichia coli isolates from fecal samples of food handlers in QatarDouble Disc Synergy Test (DDST) confirming ESBL-Producing E. coli isolates from fecal samples of food handlers (Antibiotic discs and concentrations used were as follows: 1. Ceftazidime (30 μg); 2. Amoxicillin/Clavulanic acid (20/10 μg); 3. Ceftriaxone (30 μg); and 4. cefoxitin (30 μg))Back to article page