1348: Hold the lettuce: Updates on the 'explosive' cyclospora outbreak episode artwork

EPISODE · Jul 17, 2026 · 12 MIN

1348: Hold the lettuce: Updates on the 'explosive' cyclospora outbreak

from Science Friday · host Science Friday

An outbreak of the foodborne illness cyclosporiasis has sent thousands of people running to the bathroom this summer. Health officials have linked the outbreak to lettuce served at Taco Bell locations in five states, but there are still a lot of unanswered questions. Food safety expert Byron Chaves joins Flora to talk about the “explosive” nature of the illness and why pinpointing a source of the parasite has been so difficult.Guest:Dr. Byron Chaves is an associate extension specialist and professor in the Department of Food Science at Rutgers University in New Jersey. Transcripts for each episode are available within 1-3 days at sciencefriday.com.Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374 Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Episode metadata supplied by the publisher feed · Published Jul 17, 2026

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The cyclospora outbreak causing diarrhea for thousands has been linked to shredded lettuce. What's making it so hard to pinpoint a source?

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1348: Hold the lettuce: Updates on the 'explosive' cyclospora outbreak

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