Escherichia coli not serogroup O26, O45, O103, O111, O121, O145, O157
escherichia coli not serogroup o26, o45, o103, o111, o121, o145, o157
E. coli not serogroup O26, O45, O103, O111, O121, O145, O157
e. coli not serogroup o26, o45, o103, o111, o121, o145, o157