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FDA says sample of iceberg lettuce supplied by Taylor Farms tested positive for US parasite outbreak

By Thomson Reuters Jul 18, 2026 | 5:28 PM

July 18 (Reuters) – The Food and Drug Administration said on Saturday a sample of shredded iceberg lettuce supplied by Taylor ​Farms has tested positive for a ‌parasitic illness that has sickened thousands of people in the U.S.

Taylor Farms has confirmed that this product is not part of its current recall, the ‌FDA ​said in the statement as ⁠it seeks to curtail ⁠the largest foodborne illness outbreak in the United States in recent years.

The California-based lettuce supplier is working to identify whether any ​part of the sample that tested positive is available in commerce or in ⁠consumers’ homes, the FDA said ⁠in its most recent update.

Earlier ​in the day, the supplier posted a list ​of lettuce products that had been recalled ‌following investigations that it was a potential source of contamination.

Taylor Farms was not immediately available for comment.

The FDA said the sample was ⁠collected during targeted surveillance while investigating the ongoing outbreak and that the positive lot has been detained.

Cyclosporiasis ⁠which has ‌been linked to shredded iceberg ⁠lettuce served at Yum Brands Taco Bell ​restaurants ‌in Indiana, Kentucky, Michigan, Ohio and ​West Virginia ⁠has so far resulted in around 100 hospitalizations and no deaths, according to the Centers for Disease Control and Prevention.

(Reporting by Anusha Shah in Bengaluru; Editing by Alistair Bell and ​Andrea Ricci)