The Clover Hill Dairy Listeria outbreak is not over.
As of June 9, 2026, nine people have been confirmed infected with the outbreak strain of Listeria monocytogenes. Eight have been hospitalized. One person — from Maryland — has died. The contamination timeline extends back to March 2023, indicating the bacteria had been embedded in the Clover Hill Dairy production environment for at least three years before the outbreak was identified.
