Dole salad has a recall. They market their bagged salad under these names: Fresh Selections, Simple Truth, Marketside, President's Choice, and The Little Salad Bar and may not have the name Dole on it anywhere.
Apparently it is a listeria bug.
Look on your bag in the upper right hand corner. Right under the date is a number, here is their example: A 32809B09:44 but the news tells us anything that begins with the letter A.
I couldn't find the number. I had to get a strong light and magnifying glass out to see it, mine was printed in black ink on a dark blue background.