What Yum! Brands’ outbreak and Pizza Hut sale mean for pension fund investors Pensions & InvestmentsTaco Bell’s Health Crisis Impacts Yum Brands (YUM) Ahead of Earnings Report GuruFocusTaco Bell offers huge discount to customers after explosive ‘diarrhoea lettuce’ bug Daily StarHow Taco Bell leadership scrambled to stop the ‘diarrhea lettuce’ outbreak and save the brand The IndependentTaco Bell dropped the price on one of its menu items to $1 for a day. And yes, it was lettuce-free. Business Insider