“As we continue to monitor the recently reported E. coli outbreak, and out of an abundance of caution, we have proactively removed fresh onions from select Taco Bell, Pizza Hut and KFC restaurants,” Yum Brands said. “We will continue following supplier and regulatory guidance to ensure the ongoing safety and quality of our food.”

A fatal E. coli outbreak has some fast food restaurants striking onions from its menus. See recall information.

Yum Brands said on Thursday it would be removing fresh onions from its meals at certain Taco Bell, Pizza Hut and KFC restaurants out of an "abundance of caution", following an E.coli outbreak tied to McDonald's Quarter Pounder hamburgers.