Hannford says Fresh Express is pulling a variety of its packaged bagged salads because they could be contaminated with listeria. The dates in question for you to have purchased the products is between Dec. 2 and Dec. 19.
The items should not be consumed. You may return them to your local Hannaford for a full refund.
For a complete list of products involved please click here: https://www.hannaford.com/product-recalls/fresh-express-salads-multiple-varieties