A listeria outbreak linked to ready-to-eat sandwiches and snacks has sickened at least 10 people in the U.S. (AP produced by Javier Arciga)

What to know about food poisoning illnesses caused by listeria

A listeria outbreak linked to ready-to-eat sandwiches and snacks has sickened at least 10 people in the U.S. (AP produced by Javier Arciga)