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Sweetgreen Shares Rebound as CDC Links Cyclospora Outbreak to Taco Bell Lettuce

Sweetgreen Inc. (NYSE: SG) shares rebounded Friday after U.S. health officials identified Taco Bell as the source of a widespread Cyclospora outbreak, easing investor fears that had punished produce-heavy restaurant stocks. The salad chain's stock gained 2.7%, beginning to recover from a sharp sell-off earlier in the week driven by what appeared to be guilt by association.
Health Officials Pinpoint Source
The U.S. Centers for Disease Control and Prevention (CDC) announced that a multi-state outbreak of the parasite has been traced to shredded iceberg lettuce from a single supplier in Mexico. The contaminated produce was served specifically at Taco Bell locations, which is a subsidiary of Yum! Brands (NYSE: YUM).
According to the CDC, the investigation has confirmed:
- 1,644 infections across five states: Indiana, Kentucky, Michigan, Ohio, and West Virginia.
- 94 hospitalizations with zero reported deaths.
- An exposure window spanning from May 13 to July 13.
A traceback investigation by the Food and Drug Administration (FDA) identified the specific supplier. In response, Taco Bell has stopped using the supplier, and the FDA has increased border screening for the implicated produce.
AdInvestor Relief and Market Reaction
The clarification provided significant relief for Sweetgreen, which saw its stock plummet 23% over the past five days. The initial outbreak news triggered a broad sell-off among fast-casual chains reliant on fresh produce, including Chipotle Mexican Grill (NYSE: CMG), over concerns of a wider food safety crisis.
With the source now isolated to a specific supply chain, the market appears to be differentiating between the affected companies. The rebound in Sweetgreen's stock suggests investors now believe the issue is contained to Taco Bell and not an indictment of the broader fresh produce supply chain.
Investigation Continues
While the source has been identified, the CDC cautioned that the full scope of the outbreak may be larger than currently reported. The agency noted that many individuals infected with Cyclospora recover without medical testing, suggesting the true number of cases could be significantly higher and the geographic footprint could still expand.
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