# Reemergence of Brucella abortus, Israel, 2021

## TL;DR

Brucella abortus, a disease not seen in Israel for decades, has reemerged, affecting cows, dogs, and a human, with the source still unknown.

## Contribution

The paper reports the reemergence of Brucella abortus in Israel after nearly 40 years and highlights the One Health implications.

## Key findings

- An outbreak affected 82 out of 137 cows on 2 dairy farms.
- Cases were also identified in dogs and one human.
- The source of the outbreak could not be determined despite investigations.

## Abstract

After nearly 4 decades, Brucella abortus has reemerged in Israel, triggering an outbreak across 2 dairy farms (82/137 cows affected), as well as cases in dogs and 1 human case. Despite thorough epidemiologic and genomic investigation, the outbreak source remains unidentified. Such reemergence poses One Health challenges and necessitates ongoing surveillance.