The chicken dishes could be linked to a possible outbreak strain of listeria associated with three deaths and one fetal loss.

A listeria outbreak that has reached 13 states and involves three deaths has been linked to chicken Alfredo dishes recalled from Walmart and Kroger, the nation’s two largest grocery sellers. Here’s what was announced Tuesday night by the USDA’s Food Safety Inspection Service:

The company that made the meals issued a nationwide recall as the Centers for Disease Control and Prevention said they were linked to 17 listeria cases across 13 states.