Evaluation of Avocados as a Possible Source of Listeria monocytogenes Infections, United States, 2016 to 2019.

Abstract: Outbreaks of Listeria monocytogenes infections have historically been associated with contaminated deli meats, but recent outbreaks have been linked to produce. To date, avocados have not been identified as the source of any outbreaks of L. monocytogenes infections in the United States, but avocado samples have yielded strains that were closely related genetically to clinical L.