@CNN: The E. coli outbreak tied to romaine lettuce appears to be over, the CDC says https://t.co/lxd7ev9kTC https://t.co/dXs0aiJdDA

@CNN: The E. coli outbreak tied to romaine lettuce appears to be over, the CDC says https://t.co/lxd7ev9kTC https://t.co/dXs0aiJdDA