Largest US outbreak of explosive diarrhoea parasite is over, officials say

Live updates

1. 11d ago

   US officials declare end to record cyclosporiasis outbreak

   Federal health officials have closed the investigation into the largest cyclosporiasis outbreak in US history. The parasitic infection was linked to imported lettuce and impacted multiple states. While officials have declared the event over, the outbreak resulted in thousands of illnesses and hundreds of hospitalizations. Taylor Farms de Mexico, a lettuce supplier, halted harvesting and processing in central Mexico between May and August to address the contamination. The event has triggered class-action lawsuits against Taylor Farms and Taco Bell.

   Why it matters

   Cyclosporiasis is a long-lasting parasitic infection that causes severe gastrointestinal distress. This outbreak highlighted systemic vulnerabilities in produce supply chains and the speed of government food safety responses.

   What is confirmed

   • Federal health officials concluded the investigation into the largest cyclosporiasis outbreak in US history.
   • Taylor Farms halted lettuce harvesting and processing in central Mexico from May to August.

   Still unconfirmed

   • Nearly 2,000 people across nine states fell ill due to Taco Bell meals.
   • The outbreak sickened more than 27,000 people across 47 states.
   • Nearly 100 people were hospitalized.
   • Class-action lawsuits were filed against Taco Bell and Taylor Farms de Mexico.

   What to watch next

   • Court rulings on class-action lawsuits against Taco Bell and Taylor Farms
   • FDA policy changes regarding imported lettuce oversight
   Sources used for this update (4)

   1. www.thetechedvocate.org — Jaw-Dropping: Nearly 2,000 Sick in Cyclospora Outbreak Linked to Taco Bell — The Disturbing Details
   2. laist.com — Cyclospora outbreak ends
   3. uk.news.yahoo.com — Even after explosive diarrhea outbreak Trump’s FDA looks to ...
   4. www.centraloregondaily.com — 'Explosive diarrhea' parasite prompts some restaurants to ...
   confidence 70%
2. 14d ago

   Largest US Cyclosporiasis Outbreak Concludes

   Federal health officials have concluded their investigation into the largest cyclosporiasis outbreak in United States history. The parasite outbreak caused thousands of illnesses and hospitalizations across multiple states, prompting intensive scrutiny of food safety protocols and supply chains. Taylor Farms responded by halting lettuce harvesting and processing in central Mexico during the peak season between May and August. While the official investigation is closed, consumer advocates and industry experts continue to debate the speed of the government response and ongoing vulnerabilities in produce oversight.

   Why it matters

   The massive diarrheal parasite outbreak forced residents in regions like Ann Arbor to rethink their produce sourcing and prompted regional cases as far away as Oregon following national lettuce recalls. Sourcing operations from central Mexico faced immediate disruptions as companies adjusted their agricultural calendars to avoid high-risk periods identified by the Centers for Disease Control and Prevention. Questions regarding transparency and oversight remain central as the food industry addresses systemic safety challenges.

   What is confirmed

   • Federal health officials closed their investigation into the largest cyclosporiasis outbreak in US history.
   • The outbreak caused 12,883 illnesses across 21 states.
   • The CDC declared the event over on September 11.
   • The incident was linked to iceberg lettuce processed in Mexico.
   • Taylor Farms outlined new food safety measures and halted central Mexico sourcing from May to August.

   Still unconfirmed

   • The outbreak sickened 17,000 Americans and resulted in over 500 hospitalizations.

   What to watch next

   • Implementation of additional produce oversight regulations
   • Consumer advocacy reports on government response transparency
   Sources used for this update (5)

   1. thenationalpulse.com — ‘Explosive Diarrhea’ Parasite Confirmed to Have Sickened ...
   2. www.michigandaily.com — Is local produce safer? After Cyclospora outbreak, Ann Arbor business owners say yes
   3. www.supplychaindive.com — Taylor Farms halts central Mexico sourcing after Cyclospora ...
   4. www.dailykos.com — Yes, Trump Gave America Diarrhea. Here’s the Paper Trail. (A Brown News Exclusive) - Daily Kos
   5. www.centraloregondaily.com — 2 Oregonians get parasite that can cause explosive diarrhea ...
   confidence 90%
3. 17d ago

   US Cyclospora Outbreak Ends Amid Scrutiny of FDA and Taylor Farms

   Federal health officials have closed their investigation into the largest cyclosporiasis outbreak in US history, which caused 12,883 illnesses across 21 states. While the CDC declared the event over on September 11, consumer advocates are questioning the transparency and speed of the government response. Taylor Farms has outlined new food safety measures following the incident, which was linked to iceberg lettuce processed in Mexico. Despite the conclusion of the probe, safety experts warn that critical vulnerabilities in produce oversight remain unaddressed for future seasons.

   Why it matters

   The outbreak began around May and involved iceberg lettuce sourced from central Mexico and processed by Taylor Farms of Mexico. The FDA previously detected Cyclospora at a farm in Guanajuato, though the exact contamination mechanism remains unclear. Consumer Reports sent a letter to the FDA criticizing the agency for notable delays and a lack of transparency during the investigation.

   What is confirmed

   • The FDA has closed its outbreak investigation into the cyclosporiasis event.
   • Taylor Farms outlined actions it is taking to enhance food safety following the outbreak.
   • Consumer Reports sent a letter to the FDA requesting answers regarding delays and a lack of transparency during the response.

   Still unconfirmed

   • HCA Florida Brandon Hospital identified two cyclosporiasis cases in Hillsborough County amid a multistate rise tied to produce.

   What to watch next

   • FDA responses to Consumer Reports regarding transparency and response delays
   • Implementation and results of Taylor Farms food safety enhancements
   Sources used for this update (4)

   1. baynews9.com — Stomach parasite illnesses reported in Hillsborough County
   2. www.breitbart.com — Environment - Latest News
   3. www.consumerreports.org — The Cyclospora Outbreak Is Over. The Gaps It Exposed Are Not. - Consumer Reports
   4. www.food-safety.com — With Cyclospora Lettuce Outbreak Over, Taylor Farms Speaks Up ...
   confidence 100%
4. 26d ago

   FDA finds parasite at Mexican farm linked to record US cyclosporiasis outbreak

   The FDA detected Cyclospora at a farm in Guanajuato, Mexico, linked to the largest parasite outbreak in US history. The CDC declared the Taylor Farms lettuce outbreak over on September 11, reporting 12,883 illnesses across 21 states, 570 hospitalizations, and 2 deaths. While the parasite was found in wastewater at the farm, the exact source of contamination remains unclear. The outbreak began around May and was linked to iceberg lettuce sourced from central Mexico and processed by Taylor Farms of Mexico.

   Why it matters

   Cyclosporiasis is an intestinal illness known for causing explosive diarrhea. This event represents the most significant outbreak of the parasite ever recorded in the United States. Federal health officials monitored a return to baseline levels in states like Ohio to confirm the end of the incident.

   What is confirmed

   • The CDC declared the Taylor Farms lettuce Cyclospora outbreak over on September 11.
   • The outbreak caused 12,883 illnesses in 21 states, 570 hospitalizations, and 2 deaths.
   • FDA inspectors detected Cyclospora at a Mexican farm linked to the outbreak.
   • The contaminated iceberg lettuce was sourced from central Mexico and processed by Taylor Farms of Mexico.
   • FDA inspectors found the parasite in wastewater at a farm in Guanajuato.

   Still unconfirmed

   • North Carolina cases from May 1 to July 14 may not be part of the 5-state outbreak.
   • Oregon confirmed 14 cases of cyclosporiasis as a national outbreak spread across 31 states.

   What to watch next

   • FDA identification of the specific contamination source at the Mexican farm
   • Official reports on food safety gaps identified in Michigan following its record outbreak
   Sources used for this update (18)

   1. foodpoisoningbulletin.com — 2026 Cyclospora Outbreak Tracker: Taco Bell & Taylor Farms Lettuce, Cases, Deaths & What to Do
   2. spectrumlocalnews.com — NC cyclosporiasis cases may not be part of 5-state outbreak
   3. thestute.com — The science behind the 2026 Cyclospora Outbreak
   4. jen.jiji.com — Triathlon, Vacchi: "Rome World Cup is a postcard of Italy, Fitri among the best world organizers"
   5. www.centraloregondaily.com — Parasite causing explosive diarrhea confirmed in Oregon ...
   6. www.infectioncontroltoday.com — Personal Protective Equipment | Topic | Infection Control Today
   7. www.mlive.com — Michigan’s historic cyclospora outbreak may be a warning of what’s ahead - mlive.com
   8. jen.jiji.com — Almaviva launches Ultra, the group's new strategic AI framework
   9. nypost.com — FDA identifies source of cyclospora outbreak linked to lettuce
   10. www.nbcnewyork.com — Cyclospora found at Mexican farm linked to lettuce outbreak, FDA says
   11. www.bangordailynews.com — Cyclospora found at Mexican farmed linked to lettuce outbreak, FDA says - Bangor Daily News,Bangor Daily ....
   12. www.fox5atlanta.com — FDA cyclospora investigation: Parasite detected at Mexican farm linked to massive lettuce outbreak | FOX ....
   confidence 95%
5. 31d ago

   US cyclosporiasis outbreak declared over

   The Centers for Disease Control and Prevention has concluded the largest cyclosporiasis outbreak in US history, which was linked to contaminated iceberg lettuce. The outbreak, that affected tens of thousands of people across the US beginning around May, has seen a significant drop in new cases in Ohio, signaling a return to baseline levels for the parasite. Federal health officials confirmed the end of the incident.

   Why it matters

   The cyclosporiasis outbreak was a massive public health challenge tied to the produce supply chain. It led to a significant increase in cases of explosive diarrhoea across the US. The outbreak's conclusion is a relief to public health officials and the general public.

   What is confirmed

   • The cyclosporiasis outbreak in the US has been declared over by the Centers for Disease Control and Prevention.
   • The outbreak was linked to contaminated iceberg lettuce.
   • New cases in Ohio have dropped significantly, signaling a return to baseline levels for the parasite.
   • 30% of Americans eat fewer fresh vegetables after the outbreak, according to a poll.

   What to watch next

   • Further investigation into the source of contamination.
   • Evaluation of the effectiveness of food safety measures.
   Sources used for this update (11)

   1. jen.jiji.com — Serie A, today Roma-Inter: time, probable lineups and where to watch it
   2. jen.jiji.com — Sandro Mazzola, the last (unpublished) interview: "Inter is a mother to me"
   3. jen.jiji.com — Mauro Corona on Verissimo: "I am a traitor and a violent man, I don't seek forgiveness"
   4. jen.jiji.com — Canalis on Verissimo: "Corvaglia? Nothing happened between us, I'm so sorry"
   5. www.cdc.gov — Preventing Cyclosporiasis | Cyclosporiasis | CDC
   6. foodprint.org — Why food recalls happen and what to do about them - FoodPrint
   7. nypost.com — 30% of Americans eat fewer fresh vegetable after 'explosive diarrhea' virus outbreak: poll
   8. www.breitbart.com — Outbreak Articles - Breitbart
   9. www.voltarengel.com — Arthritis Pain Relief Gel | Voltaren
   10. www.voltarengel.com — Voltaren Arthritis Pain Relief Gel | Voltaren
   11. www.webmd.com — Voltaren Gel for Arthritis - WebMD
   confidence 90%
6. 43d ago

   CDC declares end to largest US cyclosporiasis outbreak

   The Centers for Disease Control and Prevention has officially concluded the largest cyclosporiasis outbreak in United States history. The parasitic infection, which causes explosive diarrhoea, was linked to contaminated iceberg lettuce. While the national event is over, recent data indicates that new cases in Ohio have dropped significantly, signaling a return to baseline levels for the parasite. Federal health officials confirmed the end of the incident, which marked a massive public health challenge tied to the produce supply chain.

   Why it matters

   Cyclosporiasis is a parasitic illness typically contracted through contaminated food or water. This specific outbreak was the largest of its kind in the US, necessitating a federal response to track the source to iceberg lettuce. The resolution depends on the cessation of new infections linked to the contaminated produce.

   What is confirmed

   • The CDC declared an end to the largest cyclosporiasis outbreak in United States history.
   • The parasitic infection causes explosive diarrhoea.
   • The outbreak was linked to the consumption of iceberg lettuce.

   Still unconfirmed

   • New cases of cyclosporiasis in Ohio have dropped significantly.

   What to watch next

   • CDC reports on final total case counts
   • FDA inspection results for lettuce suppliers involved in the outbreak
   Sources used for this update (7)

   1. jen.jiji.com — Mattarella on AI: "States must regain lost sovereignty over private entities"
   2. jen.jiji.com — Trump against Supreme Court, 'bullied by extreme left, worst decisions in history'
   3. jen.jiji.com — Russia, Russian-Canadian academic sentenced to 7 years for 'high treason'
   4. jen.jiji.com — Germany, Klopp against AfD: "Let's not leave national pride to the wrong people"
   5. jen.jiji.com — Sayf protagonist of the new Red Bull 64 Bars, 'Top of the Pops' out now
   6. jen.jiji.com — Russia votes, the economy worsens and remains the only weapon to exert pressure on Putin
   7. www.usatoday.com — CDC declares cyclosporiasis outbreak over, new Ohio cases drop significantly
   confidence 90%
7. 46d ago

   CDC declares record US cyclosporiasis outbreak over

   The Centers for Disease Control and Prevention (CDC) has declared an end to the largest cyclosporiasis outbreak in United States history. This parasitic infection causes explosive diarrhoea and was linked to the consumption of iceberg lettuce. Federal health officials confirmed the conclusion of the event, marking the end of a massive public health incident tied to contaminated produce.

   Why it matters

   Cyclospora is a parasite that contaminates food and water. This specific outbreak stands as a record for the US due to its scale. The connection to iceberg lettuce highlights vulnerabilities in the produce supply chain.

   What is confirmed

   • The CDC declared the cyclosporiasis outbreak over.
   • The outbreak was linked to iceberg lettuce.
   • This was the largest outbreak of the parasite in US history.

   What to watch next

   • Official reports on the total number of infections and fatalities
   • Regulatory changes to iceberg lettuce sourcing and safety protocols
   Sources used for this update (6)

   1. The New York Times — U.S. Officials Expected to Announce Cyclospora Outbreak Is Over
   2. CNBC — Record U.S. cyclosporiasis outbreak is over, CDC says
   3. USA Today — Massive cyclospora outbreak linked to lettuce declared over
   4. ABC News - Breaking News, Latest News and Videos — Parasitic outbreak linked to iceberg lettuce is over: CDC
   5. BBC — Cyclospora: largest US outbreak of explosive diarrhoea parasite is over, health officials say
   6. The Washington Post — Large cyclosporiasis outbreak tied to lettuce is over, federal officials say
   confidence 100%