Overview
Some enteric bacterial strains cause acute outbreaks linked to specific sources.
Other strains, referred to as reoccurring, emerging, or persisting (REP) strains, can reoccur and periodically cause acute outbreaks.
They can also emerge and increase in frequency or persist and cause illnesses over periods of months or years, despite investigation and prevention efforts.
The notices linked below provide information and data on REP strains of E. coli bacteria, including epidemiologic, laboratory, and antimicrobial resistance data.