Pennsylvania health officials have issued a warning after Listeria monocytogenes was found in raw milk products from a dairy in York County.

Officials are urging consumers and retails who purchased raw milk products from Stump Acres Dairy in New Salem, Pa., to discard the products immediately. No illnesses related to the product have been reported.

Stump Acres’ permit was revoked by officials in 2007 after Salmonella-contaminated raw milk sickened dozens. Read more here.

Symptoms of Listeriosis usually appear within three weeks after consuming the contaminated products. Pregnant women are especially at risk of the illness. Though the symptoms would be presented as a mild, flu-like illness, Listeriosis during pregnancy can cause miscarriage or stillbirth.

Click here for the news release