How many Cyclospora outbreaks are being investigated in 2026?

FDA's active investigation table lists six separate Cyclospora outbreaks running at the same time in summer 2026. Only one of them, the cluster linked to Taco Bell and Taylor Farms de Mexico, has converged on a named supplier.

What caused the 2026 cyclospora outbreak?

One identified cluster was traced to iceberg lettuce supplied by Taylor Farms de Mexico and served at Taco Bell locations, based on epidemiological convergence across food histories and supply records. No lab-confirmed positive product sample was ever obtained; an initial positive result reported July 18 was retracted as a false positive the next day. Five other active Cyclospora investigations nationally have no confirmed source at all.

How many people has the 2026 cyclospora outbreak sickened?

More than 11,500 confirmed and suspected cyclosporiasis cases have been reported across 41 states since the season began May 1, 2026. The cluster tied to Taylor Farms and Taco Bell accounts for 1,947 of those cases across 9 states as of the July 24 update, with 98 hospitalizations and no deaths.

Why hasn't Michigan's cyclospora outbreak been fully traced?

Michigan has reported 8,176 total cyclosporiasis cases, several times more than the roughly 1,947 cases nationwide attributed to the one confirmed Taylor Farms cluster. Most illness in Michigan, the state at the center of the outbreak, remains unattached to any confirmed product.

Should people avoid fruits and vegetables during the outbreak?

Food safety authorities, including former FDA food safety center director Susan Mayne and Consumer Reports' food safety experts, have said there is no data supporting broad avoidance of produce, while recommending that residents of states that received the recalled iceberg lettuce discard it specifically.

How does this compare to how raw milk outbreaks are traced?

Raw milk outbreaks are typically traced to a single named dairy within days, because raw milk moves through a small, identifiable set of buyers rather than a comingled national supply chain. The structural reasons for that gap are covered in a companion piece on this site.

Did Taylor Farms try to delay the outbreak announcement?

Reporting from Bloomberg, citing an anonymous US official, describes Taylor Farms representatives reaching the White House and getting FDA officials on the phone to push back on the agency's evidence before the company was publicly named, with the contact described as delaying the recall. Taylor Farms disputes that characterization and says the meetings were about improving the public health response. The House Oversight Committee has opened a formal inquiry into the company's conduct, and the question remains unresolved.

An empty gap on a grocery store produce shelf, stray lettuce leaves left behind, surrounded by fully stocked leafy greens, illustrating a recalled product pulled from sale.

The 2026 Cyclospora Outbreak: Six Clusters, One Named Source

July 28, 2026 · 6 min read

Federal investigators are currently tracking six separate Cyclospora outbreaks running at the same time across the United States this summer. Exactly one of them has a specific product and supplier attached to it. Since the cyclosporiasis season began on May 1, more than 11,500 confirmed and suspected cases have been reported across 41 states, a small fraction of which have been formally traced to a source. It is a live illustration of the same traceability gap that separates most produce outbreaks from most raw milk outbreaks.

Six Outbreaks, One Named Supplier

Of the six Cyclospora investigations currently open on FDA’s tracking table, only the cluster linked to Taco Bell has converged on a specific supplier: Taylor Farms de Mexico, tied to shredded iceberg lettuce. Even that identification came from epidemiological convergence, matching food histories and supply records across sick people, rather than a confirmed lab-positive product sample. FDA reported a positive test result on a Taylor Farms lettuce sample on July 18, then walked it back the next day, and as of its most recent update there are no confirmed positive product samples tied to this outbreak at all. The source was named without ever finding the parasite on the actual product.

How the One Traced Cluster Got Solved

The identified cluster’s earliest illnesses began May 13. By July 13, CDC had linked 1,644 cases across 5 states to Taco Bell exposure. Of those cases, Michigan health officials completed detailed food-history interviews with 190 people, and nine in ten had eaten iceberg lettuce in the two weeks before symptoms started, the kind of concentrated signal that makes traceback possible. Taylor Farms recalled iceberg lettuce sourced from central Mexico on July 17, the same day FDA announced the supplier convergence. By its July 24 update, the cluster had grown to 1,947 cases across 9 states, with 98 hospitalizations and no reported deaths.

The Other Five Clusters, and the Rest of the Country

The named cluster is a fraction of the national picture. Michigan alone, the state at the center of the outbreak, has reported 8,176 total cyclosporiasis cases with 160 hospitalizations, several times more than the roughly 1,947 cases tied to the Taylor Farms cluster nationwide. Most illness in the state that started this whole investigation still isn’t attached to a confirmed product. Around July 23, FDA added a new 72-case cluster to its active investigation table, with no source identified. This isn’t unusual for this specific pathogen: of the four Cyclospora outbreaks the government investigated in 2023, three were never resolved to a specific food source at all.

How This Compares to a Raw Milk Outbreak

Health and Human Services Secretary Robert F. Kennedy Jr. said the outbreak was “under control” in a July 21 briefing, even as the case curve hadn’t yet slowed. That gap between official reassurance and an open, growing, mostly unattributed outbreak doesn’t happen with raw milk. A raw milk outbreak investigation typically closes with a named farm within days, following a recall process that starts from a small, identifiable set of buyers rather than a national supply chain. The largest raw milk outbreak on record, a Salmonella cluster tied to a single California dairy in late 2023 and early 2024, totaled 159 confirmed cases, 22 hospitalizations, and zero deaths; investigators traced it to one recently added cow, and the farm resumed production within about a month once the herd tested clear. Eleven weeks into this outbreak, five of six active investigations still have no product attached at all, and the one that does was named without a single positive test on the product itself.

A Second Kind of Access Gap

Reporting has surfaced a more political layer to this outbreak. According to Bloomberg reporting, Taylor Farms representatives reached the White House and, through that contact, got FDA officials on the phone, pushing back on the agency’s evidence before the company’s name was publicly attached to the outbreak; an anonymous US official described the effect as delaying the recall while illness counts climbed. Taylor Farms disputes that framing, saying the meetings were about improving the public health response, not slowing it down. A Snopes fact-check confirmed the underlying facts: the meetings happened, and Taylor Farms’ CEO donated $1 million to a pro-Trump super PAC in March 2025. The company is now facing a formal congressional inquiry from the House Oversight Committee’s ranking member into whether it used political access to shape the federal response, a question that remains open.

Raw milk producers don’t generally have this kind of access. The closest documented example points the other way. During Raw Farm’s early 2026 E. coli cheese dispute, founder Mark McAfee said he texted HHS Secretary Robert F. Kennedy Jr., a longtime customer and vocal raw milk advocate, asking him to intervene, and got no response. Raw Farm initially declined to recall at all, the first refusal of its kind in company history, arguing the FDA had never produced a positive test on its own product. It eventually recalled under protest that April, and FDA closed the case in May with no illness ultimately confirmed from the recalled product itself. The pattern held on the policy side too: McAfee had applied for an FDA advisory role at the urging of Kennedy’s own staff, only to be declined a meeting with top FDA officials in a form letter months later. Even the nearest thing raw milk has to Taylor Farms-style access didn’t change the outcome.

The Public Is Reacting: 40% Are Eating Less Produce

The uncertainty has visibly changed shopping habits. A CBS News/YouGov poll conducted July 22 to 24 found that 40% of US adults are eating or buying less produce because of the outbreak, while only 4% report buying more. Food safety authorities have pushed back on broad avoidance specifically. Susan Mayne, former director of the FDA’s Center for Food Safety and Applied Nutrition, argued against a forced tradeoff between nutrition and food safety. Consumer Reports’ food safety experts have said there’s no data supporting avoiding produce generally, while still recommending that residents of states that received the recalled lettuce discard it specifically.

Why This Keeps Happening With Produce

This outbreak is following a familiar shape for produce: a large, real-time surge in illness, one narrow slice that gets a name and a recall, and a much larger remainder that likely never will. Raw milk’s own documented illness numbers run to roughly 761 illnesses and 22 hospitalizations a year nationally, a fraction of what this single produce outbreak has already produced in eleven weeks. A broader look at raw milk traceability, using twenty years of federal surveillance data to explain why raw milk outbreaks resolve so much faster than produce outbreaks, is available elsewhere on this site.