A method for identifying the serotype(s) of enterohemorrhagic Escherichia coli (EHEC) suspected to be present in a sample, wherein said method comprises detecting the presence or the absence, in said sample or DNA isolated therefrom, of the following E. coli CRISPR sequences: a) CRISPR sequences for identifying EHEC 0157: wherein said CRISPR sequences are selected among - the CRISPR sequences SEQ ID NO: 1, SEQ ID NO: 2, and SEQ ID NO: 3, wherein the presence of one or more of said CRISPR SEQ ID NO: 1-3 is indicative of the presence of EHEC O157:; and/or - the CRISPR sequence SEQ ID NO: 4, wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O157:; b) a CRISPR sequence for identifying EHEC 0145:, wherein said CRISPR sequence is the sequence SEQ ID NO: 5, and wherein the presence of said CRISPR sequence is indicative of the presence of EHEC 0145:; and c) a CRISPR sequence for identifying EHEC O111:, wherein said CRISPR sequence is the sequence SEQ ID NO: 6, and wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O111:; and d) a CRISPR sequence for identifying EHEC O121:, wherein said CRISPR sequence is the sequence SEQ ID NO: 7, and wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O121:; and e) a CRISPR sequence for identifying EHEC 0103: and/or EHEC O45:, wherein said CRISPR sequence is the sequence SEQ ID NO: 8, and wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O103: and/or of EHEC 045:; and f) a CRISPR sequence for identifying EHEC O104:, wherein said CRISPR sequence is the sequence SEQ ID NO: 9, and wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O104:; and g) a CRISPR sequence for identifying EHEC O26:, wherein said CRISPR sequence is the sequence SEQ ID NO: 10, and wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O26:. a) CRISPR sequences for identifying EHEC 0157: wherein said CRISPR sequences are selected among - the CRISPR sequences SEQ ID NO: 1, SEQ ID NO: 2, and SEQ ID NO: 3, wherein the presence of one or more of said CRISPR SEQ ID NO: 1-3 is indicative of the presence of EHEC O157:; and/or - the CRISPR sequence SEQ ID NO: 4, wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O157:; - the CRISPR sequences SEQ ID NO: 1, SEQ ID NO: 2, and SEQ ID NO: 3, wherein the presence of one or more of said CRISPR SEQ ID NO: 1-3 is indicative of the presence of EHEC O157:; and/or - the CRISPR sequence SEQ ID NO: 4, wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O157:; b) a CRISPR sequence for identifying EHEC 0145:, wherein said CRISPR sequence is the sequence SEQ ID NO: 5, and wherein the presence of said CRISPR sequence is indicative of the presence of EHEC 0145:; and c) a CRISPR sequence for identifying EHEC O111:, wherein said CRISPR sequence is the sequence SEQ ID NO: 6, and wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O111:; and d) a CRISPR sequence for identifying EHEC O121:, wherein said CRISPR sequence is the sequence SEQ ID NO: 7, and wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O121:; and e) a CRISPR sequence for identifying EHEC 0103: and/or EHEC O45:, wherein said CRISPR sequence is the sequence SEQ ID NO: 8, and wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O103: and/or of EHEC 045:; and f) a CRISPR sequence for identifying EHEC O104:, wherein said CRISPR sequence is the sequence SEQ ID NO: 9, and wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O104:; and g) a CRISPR sequence for identifying EHEC O26:, wherein said CRISPR sequence is the sequence SEQ ID NO: 10, and wherein the presence of said CRISPR sequence is indicative of the presence of EHEC O26:.