STEC serogroups and association with hemolytic-uremic syndrome (HUS) in three regions

United States (2016 to 2021)^[1]

Europe (2022)^[2]

Argentina (children only)

Most common STEC serogroups isolated (with or without HUS)

O157 (15%)

O103 (7%)

O26 (8%)

O111 (5%)

Other serogroups (18%)

Serogroup not determined (47%)

O157 (22.3%)

O26 (20%)

O103, O146, O145 and O91 (18.6%)

2018 to 2019^[3]:

O157 (31%)
O145 (20.7%)
O26 (13.8%)
O121 (3.4%)
Other (17.3%)
Nontypeable (13.8%)

Most common causes of HUS

O157 (82.3%)

O111 (5%)

O145 (3.5%)

O26 (2.7%)

O121, O2, O146, O103, mixed (2.7%)

Serogroup not determined (3.9%)

O26 (51.3%)

O157 (14.5%)

O80 (6.1%)

O145 (5.8%)

2005 to 2016^[4]:

STEC: Shiga toxin-producing escherichia coli.

Data from:

Foodborne Diseases Active Surveillance Network (FoodNet). Centers for Disease Control and Prevention. https://wwwn.cdc.gov/FoodNetFast (Accessed on July 2, 2024).
European Food Safety Authority (EFSA), European Centre for Disease Prevention and Control (ECDC). The European Union One Health 2022 zoonoses report. EFSA J 2023; 21:e8442.
Rivas M, Pichel M, Colonna M, et al. Surveillance of Shiga toxin-producing Escherichia coli associated bloody diarrhea in Argentina. Rev Argent Microbiol 2023; 55:345.
Alconcher LF, Balestracci A, Coccia PA, et al. Hemolytic uremic syndrome associated with Shiga toxin-producing Escherichia coli infection in Argentina: Update of serotypes and genotypes and their relationship with severity of the disease. Pediatr Nephrol 2021; 36:2811.

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