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Multiplex‐PCR amplification pattern observed for some DEC strains detected. (1) 100 pb DNA ladder (Fermentas). (2–4), (6 and 7), and (9), respectively, STEC strains 107 CS, 44 CS, 62 CS, 150 CS, 149 D, and 10 D. (5) Strain 49 D (aEPEC). (8) Strain 116 D (ETEC). (10 and 11) Strain 29 D (EIEC, systems 1 and 2, respectively). (12) Strain 133 D (DAEC). (13) Strain 239 D (EAEC).
