KRCC1 and bacterial infectious disease: The current study was conducted to inspect the prevalence, antibiogram, PCR detection of virulence-determinant genes (tsh, phoA, hly, eaeA, sta, and lt) and the antibiotic-resistance genes (blaTEM, blaKPC, and blaCTX) of E. coli isolated from secondary bacterial infections following FMD-outbreak in cattle.