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FDA Finds Taylor Farms Lettuce Parasite Test a False Positive, Taco Bell Traffic Drops 19%

sciencehealthbusiness 29 posts · 12 accounts

The FDA said laboratory experts re-checked lettuce sample results from supplier Taylor Farms in an investigation into a cyclospora parasite outbreak and concluded the initial finding was a false positive.

The agency maintained that iceberg lettuce remains the suspected source and noted that testing is continuing on products pulled from the market. Meanwhile, foot traffic at Taco Bell locations dropped nearly 19% below the chain’s daily Friday average on July 17, according to data from Placer AI.

From the sources (25 posts)

@marionawfal

🇺🇸 Taco Bell is in full damage control after shredded iceberg lettuce from some locations was linked to a massive multistate Cyclospora parasite outbreak that sickened thousands. The chain just announced it's yanking all the lettuce natio

@cnbc

Taylor Farms recalls iceberg lettuce in 27 states due to cyclosporiasis outbreak

@wsj

Taylor Farms is a critical supplier to restaurants and retailers, with produce from a single processing facility often distributed to customers across multiple states.

@business

Walmart Inc. said it has removed four bagged iceberg lettuce salad products manufactured by Taylor Farms as recalls tied to a cyclosporiasis outbreak expand.

@wsj

The parasite behind an unusually large outbreak of gastrointestinal illness is one many people have never heard of.⁠ ⁠ So what is this parasite and should you be worried? We asked doctors and researchers the questions on everyone’s mind.⁠ ⁠

@reuters

'I think that the headlines are scary,' says US health correspondent Julie Steenhuysen, outlining what Americans should know about cyclosporiasis, an intestinal infection that can be contracted by consuming contaminated food

@reuters

Mexico ministries investigate cyclospora linked to Mexican farm

@reuters

FDA says sample of iceberg lettuce supplied by Taylor Farms tested positive for cyclospora

@reuters

Mexico ministries investigate cyclospora linked to Mexican farm

@reuters

PODCAST: Iran hits Gulf allies, Trump Media and Taco Bell's shredded lettuce

@reuters

🔊 Investigators traced the Taco Bell cyclospora outbreak to a supplier using lettuce from Mexico. Learn more on the Reuters World News podcast

@firstsquawk

FDA: Taylor Farms Says Positive Shredded Iceberg Lettuce Product Not Included in Current Recall

@firstsquawk

FDA: Shredded Iceberg Lettuce Sample from Taylor Farms de Mexico Tests Positive for Cyclospora

@reuters

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

@reuters

🔊 'Most foodborne outbreaks are bacteria. This is a parasite.' Health reporter Julie Steenhuysen tells the Reuters World News podcast why the Taco Bell cyclospora outbreak is so hard to track. Listen now https://t.co

@reuters

The US Food and Drug Administration said that laboratory experts re-checked lettuce sample results from Taylor Farms in an investigation into an outbreak of the cyclospora parasite and concluded the finding should be considered a false posi

@polymarket

BREAKING: FDA reveals the Taylor Farms’ cyclospora test was a “false positive” — once again leaving the outbreak’s source unknown.

@nypost

FDA says Taylor Farms had false positive after test pinned 'explosive diarrhea' parasite on Taco Bell lettuce supplier

@douglassmackey

RT @Polymarket: BREAKING: FDA reveals the Taylor Farms’ cyclospora test was a “false positive” — once again leaving the outbreak’s source u…

@wsj

Taylor Farms says it has recalled iceberg lettuce from central Mexico “in an abundance of caution.”

@wsj

Taylor Farms says it has recalled iceberg lettuce from central Mexico “in an abundance of caution.”

@wsj

The FDA has walked back an earlier detection of the cyclospora parasite on lettuce from Taylor Farms, adding that the result was a false positive

@unusual_whales

The CDC says 1,645 people in five states that reported exposure to Taco Bell have been infected by cyclosporiasis, a parasitic infection that spreads through contaminated food or water. Read more:

@reuters

The FDA said laboratory experts re-checked lettuce sample results from Taylor Farms in an ‌investigation into an outbreak of the cyclospora parasite and concluded the finding should be considered a false positive

@stockmktnewz

Visits to Taco Bell $YUM locations have plummeted following a parasite outbreak that authorities had linked to lettuce sold by one of the company’s suppliers On July 17th, foot traffic was almost 19% below Taco Bell’s daily average for Fri

Preview built on a synthetic news corpus (16 weeks, Apr–Jul 2026). Impact calls are model reads, not price data.

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