Three people have died and more than a dozen others were hospitalized following an outbreak of listeria that has been linked to premade chicken fettuccine alfredo meals sold nationwide at Kroger and Walmart, federal health officials said Wednesday.

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