About 3 million pounds of frozen pizza, mozzarella bites, Philly cheese steaks and other products linked to E. coli poisoning. The  snacks have best buy dates from Jan. 1 2013 through Sept. 29, 2014.The foods may be contaminated  E. coli which already has sickened 24 people in 15 states who ate certain Farm Rich and Market Day frozen chicken quesadillas, pizza slices and other snack foods. Seven people have been hospitalized.Most who became sick did so 2-5 days after eating contaminated food.