Business Listeria Outbreaks in Packaged Salads: US, 2014-2022 – Emerging Infectious Diseases by Marcus Liu - Business Editor December 15, 2025 by Marcus Liu - Business Editor December 15, 2025 Before 2015, listeriosis outbreaks linked to produce items in the United States were linked to melons, sprouts, and celery. At least 1 sporadic listeriosis case in 2014 and 1 binational … 0 FacebookTwitterPinterestEmail