The CDC and FDA report since the last update on July 13, 2022, two more illnesses have been reported. As of August 2, 2022, a total of 25 people infected with the outbreak strain of Listeria monocytogenes have been reported from 11 states. Thirteen sick people are residents of Florida and ten reported traveling to Florida before getting sick. Illnesses started on dates ranging from January 24, 2021, to June 24, 2022.
The Florida Department of Agriculture and Consumer Services (FDACS) collected samples of ice cream and environmental samples from the ice cream production area at the Big Olaf Creamery facility in Sarasota, Florida. FDACS also performed whole genome sequencing on these samples and the Florida Department of Health identified the outbreak strain in the samples collected from the ice cream and the environment.