Bloomberg: Taco Bell told of potential contaminated lettuce July 2Photo: ShutterstockAugust 3, 2026 by Valerie GrittonSummarize with ChatGPT Grok Perplexity ClaudeBloomberg News has reported that Michigan Health officials alerted local Yum Brands executives of a potential Cyclospora-contaminated lettuce supply July 2, 15 days prior to Taco Bell pulling lettuce from its locations there and in additional Midwestern states. At the time, Taco Bell assured officials that there were no complaints or reports of illness tied to its lettuce; however, Michigan health officials deemed the risk great enough to continue monitoring the lettuce from Taylor Farms. "We have a strong signal from our epidemiologic interviews that we need to continue to work with Taco Bell," Michigan's state epidemiologist said in a letter viewed by Bloomberg. By July 17, federal health officials issued an advisory regarding lettuce at Taco Bell restaurants in five states. Brands and Taco Bell.