Confusing recall and delayed traceability rule hinder US cyclospora outbreak response
At least 72 people have fallen ill from a new cyclospora cluster as the FDA traces potential contamination, while a postponed food traceability rule and a tangled recall of shredded iceberg lettuce complicate the investigation.
The U.S. Food and Drug Administration is investigating a fresh cluster of cyclospora infections that has sickened at least 72 people across multiple states. The agency is tracing the source of the parasite, which joins an earlier outbreak linked to shredded iceberg lettuce from Taylor Farms and other produce such as parsley and cilantro identified in North Carolina.
"The amount of cases we’re having right now is incredibly high, and it’s clear that there’s multiple outbreaks happening all at once," said Katelyn Jetelina, a science communicator and founder of Your Local Epidemiologist.
Public health experts note that the key issue is whether the contamination is isolated or ongoing. "If there was a confined burst of contamination, the outbreak could end soon; but if the soil or water is still contaminated, then there’s a risk of ongoing contamination," said Joshua Sharfstein, a Johns Hopkins public-health professor and former FDA deputy commissioner.
The investigation is further complicated by a recall of Taylor Farms’ shredded iceberg lettuce that used internal product codes rather than brand names, making it difficult for retailers and consumers to identify affected items. The recall was issued after the FDA warned against lettuce served at several Taco Bell locations, though the producer was not initially named. Taylor Farms later posted that none of its salads or kits were linked to the outbreak, but the notice was later removed from its social media page.
A proposed Food Traceability Rule, intended to speed up traceback of contaminated foods, was delayed until early 2028 after industry requests for more time. The rule, required by the Food Safety Modernization Act, was designed to close gaps highlighted by the current outbreak.
"Probably the most important thing about that law was that companies like Taylor Farms have to recognize the risk and have these processes to address it," Sharfstein added.
The FDA has apologized for mixed messaging about test results and confirmed that no product has tested positive for cyclospora to date. Taylor Farms said it has removed all potentially implicated lettuce from the market and broadened the recall as a precaution.
The Department of Health and Human Services emphasized a "robust, science-based response" and coordination with state health departments to protect the public.
The episode underscores challenges in detecting cyclospora, which is hard to find on produce and not mitigated by washing, leaving reliance on regulatory and public-health systems.