The outbreak is linked to lettuce served at Taco Bell and sold in grocery stores, but it’s unlikely all of the cyclosporiasis cases were caused by a single item.

The outbreak is linked to lettuce served at Taco Bell and sold in grocery stores, but it’s unlikely all of the cyclosporiasis cases were caused by a single item.

The diarrhea-inducing parasite, linked to shredded iceberg lettuce from mega produce supplier Taylor Farms, has been making thousands of people sick this summer