Listeria Outbreak 2024 Produce Listeria. Epidemiologic and laboratory data now show that meats sliced at deli counters, including boar's head brand liverwurst, are contaminated with listeria and are making people. The vegetables were sold at walmart, aldi, kroger, and other stores.

As of february 6, 2024, a total of 26 people infected with the outbreak strain of listeria have been reported from 11 states (see map). Here’s what we know so far.