Taco Bell is making urgent changes to its menu as cases of a diarrhea-causing parasite, Cyclospora, surge across the country. Some locations have stopped serving key ingredients such as lettuce and guacamole amid growing health concerns. As a result of the outbreak, the fast-food chain has pulled various items, adapting to ensure customer safety while managing the potential impact on Yum Brands’ overall business. Analysts are expressing concerns about the implications for Taco Bell’s reputation and investor confidence in the wake of this crisis, which has prompted discussions about food safety in dining out.