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E. Coli Outbreak in Aisne Climbs to 30 Cases with Sequencing Results Expected Wednesday

Authorities expect Wednesday’s sequencing data to determine whether infections share a single strain before matching it with meat sample isolates.

L'hôpital de Saint-Quentin, dans l'Aisne, le 23 juin 2025
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Overview

  • Two recent cases are believed to result from secondary transmission, suggesting household spread beyond initial exposures.
  • Ten patients have developed hemolytic uremic syndrome, a serious kidney complication, and seven remain hospitalized with others under home observation.
  • Authorities have closed five meat outlets after detecting E. coli traces and continue tracing suppliers due to the absence of a single common source.
  • Parallel epidemiological and judicial investigations led by the Paris public health prosecutor and regional health agencies are coordinating to establish liability and contamination pathways.
  • Sequencing at the National Reference Laboratory will provide a bacterial fingerprint to confirm links between patient infections and closed butcheries.