Shiga toxin-producing Escherichia coli (STEC) are human pathogens causing severe diseases, such as hemorrhagic colitis and the hemolytic uremic syndrome. The prompt diagnosis of STEC infection is of primary importance to drive the most appropriate patient's management procedures. The methods to diagnose STEC infections include both direct isolation of the STEC from stool samples and the identification of indirect evidences based on molecular, phenotypic, and serological applications. Here, the procedures in use at the Italian Reference Laboratory for E. coli infections are described.
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