About 18% of UTIs Attributable to Zoonotic E coli Strains

Urinary Tract Infections Attributable to Zoonotic E coli Strains

About 18% of urinary tract infections (UTIs) are caused by zoonotic extraintestinal pathogenic Escherichia coli (ExPEC) strains.

According to a study, researchers estimated the proportion of UTIs attributable to zoonotic ExPEC across eight Southern California counties.

The host origin of each isolate was inferred using a Bayesian latent class model trained with 17 host-associated genetic markers.

The researchers found that zoonotic ExPEC strains accounted for 18% of UTIs, increasing to 21.5% in high-poverty neighborhoods, with a higher proportion among women than men.

Author summary: Zoonotic E coli strains cause 18% of UTIs.

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Infectious Disease Advisor Infectious Disease Advisor — 2025-11-04

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