At least 10 people in the U.S. have been sickened in a listeria outbreak linked to ready-to-eat food products, and a producer is voluntarily recalling several products, federal officials said.

Prepared foods sold in four states have been linked to a listeria outbreak that has hospitalized 10 people, according to the FDA.

The 86 products were commonly available and for sale at retailers and food service locations, including convenience stores, hospitals, hotels, airports, and airlines