date:Apr 28, 2021
rom the suspected fast food product were tested two days prior to the cucumber batch being discarded but no STEC contamination was detected. Eleven samples from fast-food outlets and one retailer reported by a patient including shredded lettuce, cucumber and breaded/pre-cooked chicken tested negative for E. coli O157. As did loose supermarket peppers from the home of one patient.
According to foodsafetynews.com most implicated restaurants from the chain were supplied by one distribution center