Research – France – Haemolytic-uremic syndrome surveillance data in 2021

Sante Publique

In 2021, the overall annual incidence of pediatric HUS was lower than that observed for the past four years.

Even if this decrease in annual incidence is observed in children under three years of age, the incidence in this age group remains high and much higher than that observed in older children. As every year, regional heterogeneity is observed. In 2021, the Bourgogne-France-Compté and Auvergne-Rhône-Alpes regions were particularly affected.

In 2021, serogroup O26 remains the majority, followed by serogroup O80. After several years of decrease in the share of cases due to O157, a slight increase in the number of O157 strains is observed in 2021.

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