Cheese processed at plant in Lena, Illinois, may be tainted by bacteria that can cause serious and fatal infections.

An American cheese company voluntarily recalled a select batch of ripened cheeses, all Brie, over potential listeria concerns over the weekend. Six different kinds of Brie manufactured at a Savencia Cheese USA facility may have been contaminated with listeria monocytogenes,

Aldi and Market Basket are among stores that sell the cheeses. Here’s what to know about the affected products.