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Epidemiology

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

E. coli O157 is the most common serogroup of STEC causing infections in the UK.

In England and Wales, almost 50% of STEC O157 cases are in children under 16 and rates of infection are highest in children under 5 years with the peak incidence in the 1-4 age group
O157 is the only strain that can be routinely tested for in the majority of UK diagnostic laboratories by current methods. The use of PCR methods by diagnostic/local laboratories is increasing, leading to increased detection of non-O157 cases (confirmed by the PHE GBRU reference laboratory)

STEC O157 and non-O157 (such as O104, O26 and O55) have been associated with outbreaks of HUS in the UK and internationally

Reference:

PHE (2019). Recommendations for the Public Health Management of Gastrointestinal Infections

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