The number 4 outbreak of 2023 is the leafy greens Listeria outbreak that sickened at least 19 people in 16 states, according to the CDC. This outbreak remains a mystery; the government did not name a brand name, farm, or specific type of product that made those people sick. The case count by state was: Arkansas (1), California (1), Colorado (1), Illinois (1), Louisiana (1), Michigan (2), Missouri (1), North Carolina (2), Nebraska (1), New York (1), Oklahoma (1), Pennsylvania (1), South Dakota (1), Texas (1), Washington (1), and Wisconsin (2). Samples were collected from July 3, 2018 to March 31, 2023. The patient age range is from less than 1 to 96 years. Eighteen people were hospitalized because they were so sick. This was a relatively large outbreak for this type of pathogen. … [Read more...]