Dissemination of Extended-Spectrum β-Lactamase- and AmpC β-Lactamase-Producing Escherichia coli within the Food Distribution System of Ho Chi Minh City, Vietnam

Figure 3

PFGE patterns of ESBL-producing E. coli isolates from meat samples in supermarkets. Lanes: 1, E. coli isolate from chicken sample collected from a supermarket located in district 10; M, Salmonella enterica serovar Braenderup H9812 (a size marker); 2, E. coli isolate from a pork block sample; 3, E. coli isolate from ground pork sample; 4, E. coli isolate from a beef block sample; 5, E. coli isolate from ground beef sample; 2–5, isolates from samples collected from the same supermarket located in district 7 on the same day.