@CNN: 31 additional cases of E. coli illness have been identified in the ongoing outbreak linked to romaine lettuce from the Yuma, Arizona, growing region, the CDC says https://t.co/aoHXwLd2r2 https://t.co/WqI084yKxh

@CNN: 31 additional cases of E. coli illness have been identified in the ongoing outbreak linked to romaine lettuce from the Yuma, Arizona, growing region, the CDC says https://t.co/aoHXwLd2r2 https://t.co/WqI084yKxh