A total of 13 people infected with the outbreak strain of Listeria monocytogenes were reported from 4 states. Illnesses started on dates ranging from October 20, 2020, to March 17, 2021, with 12 illnesses occurring in 2021.
Sick people ranged in age from less than 1 to 75 years, with a median age of 52. Twelve people were Hispanic, and seven people were female. Twelve people were hospitalized, and one death was reported from Maryland. Four people got sick during their pregnancy, resulting in two pregnancy losses and one premature birth; the fourth person remained pregnant after recovering.