Ready-to-eat chicken fettuccine Alfredo meals sold at Walmart and Kroger have been recalled after a listeria outbreak that has led to 17 illnesses including three deaths and one fetal loss.

FreshRealm is recalling pre-made chicken fettuccine alfredo meals sold at Kroger and Walmart over concerns the ready-to-eat meals could possibly be contaminated with listeria, the Department of Agriculture said on Wednesday.

Some ready-to-eat meals sold nationally at Walmart and Kroger stores have been recalled as public health officials investigate a deadly Listeria outbreak, the U.S. Department of Agriculture’s Food Safety and Inspection Service has announced.