Cyclosporiasis Is Solved! Right?
Federal health agencies have identified shredded lettuce from a Mexican supplier used by Taco Bell as the source of a recent cyclosporiasis outbreak in the Midwest. While the specific cause is known, the incident has reignited public concerns regarding food safety regulations and corporate accountability.
Why it matters
The outbreak highlights systemic vulnerabilities in the food supply chain and declining public trust in federal health oversight agencies.
The federal government announced that iceberg lettuce at Taco Bell was to blame for the outbreak. But it still hasn’t answered some crucial questions.
Robert Nickelsberg / Getty July 17, 2026, 6:22 PM ET Share Save Produce lovers of the Midwest, rejoice! It seems that parents can stop fretting about serving their kids berries, Redditors can stop trying to do their own epidemiological investigations, and I can stop cooking my salads . The mystery of what food caused an outbreak of cyclosporiasis, the diarrhea-causing parasitic illness, across several midwestern states appears to be solved: It was shredded lettuce served at Taco Bell, federal health agencies announced yesterday.
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in