# Genomic Characterization of Yersinia enterocolitica Isolates, Costa Rica

## TL;DR

This study uses genomic analysis to show that Yersinia enterocolitica spreads between animals and humans in Costa Rica, with high antibiotic resistance.

## Contribution

The study provides the first genomic characterization of Yersinia enterocolitica in Costa Rica, revealing persistent transmission and resistance patterns.

## Key findings

- Yersinia enterocolitica isolates show persistent circulation between animal reservoirs and humans.
- Unusual levels of antimicrobial resistance were detected in the isolates.
- Genomic surveillance is highlighted as essential for monitoring Yersinia-caused infections in the region.

## Abstract

Data on enteric yersinioses in Central America are limited. Genomic characterization of 78 Yersinia
enterocolitica isolates from Costa Rica indicated persistent infection-source circulation between animal reservoirs and humans, as well as unusual antimicrobial resistance levels. Our study highlights the importance of genomic surveillance to monitor Yersinia-caused infections in Costa Rica.