Six people have been confirmed dead and 25 others have been hospitalized due to a listeria outbreak linked to pre-cooked pasta meals sold at Trader Joe’s and other major stores.

Certain prepared pasta dishes were recalled from retailers like Trader Joe's, Kroger and Walmart between June and October. Health officials urge customers to dispose of them and clean their fridges.

More illnesses and deaths were reported in the outbreak in October, which has spread to encompass 18 states. See where people got sick.