CDC Reports Over 1,600 Cyclosporiasis Cases Across 34 States

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  • July 14, 2026 at 2:35 PM ET
  • Est. Read: 2 Mins
CDC Reports Over 1,600 Cyclosporiasis Cases Across 34 StatesAI-generated illustration — does not depict real events
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Key Takeaways

The CDC reports over 1,600 cyclosporiasis cases across 34 states, with Michigan reporting the highest number at more than 3,300 cases. Illinois has seen a rise to 216 confirmed cases, including 18 hospitalizations. Health officials warn of underreporting due to symptom delays.

Source Claims Check

2 Differences Found
All 3 publishers report consistent facts across 3 key claims. 2 points of difference noted.
ClaimStatusReason
Hospitalizations From Outbreak1 DifferenceCDC and other sources report 141 national hospitalizations; CBS News focuses on Illinois with 18
Potential Source Of Outbreak In Michigan1 DifferenceCBS News reports lettuce or salad greens; other sources say no definite product identified
National Cyclosporiasis CasesBroad AgreementCDC reports 1,645 lab-confirmed cases across 34 states
Michigan Cyclosporiasis CasesBroad AgreementMichigan reports over 3,300 confirmed cases
Illinois Cyclosporiasis CasesBroad Agreement216 confirmed cases, 95 domestic and 96 travel-related
Hospitalizations From Outbreak
CDC and other sources report 141 national hospitalizations; CBS News focuses on Illinois with 18
Potential Source Of Outbreak In Michigan
CBS News reports lettuce or salad greens; other sources say no definite product identified
National Cyclosporiasis Cases
Broad Agreement
CDC reports 1,645 lab-confirmed cases across 34 states
Michigan Cyclosporiasis Cases
Broad Agreement
Michigan reports over 3,300 confirmed cases
Illinois Cyclosporiasis Cases
Broad Agreement
216 confirmed cases, 95 domestic and 96 travel-related
This analysis is AI-generated and may not perfectly represent each source's reporting. Always read the original articles for full context.

The Centers for Disease Control and Prevention (CDC) announced on Tuesday that lab-confirmed cases of cyclosporiasis have risen to 1,645 across 34 states, marking an increase of over 800 cases from the previous week's update. The outbreak has led to 141 hospitalizations as of July 13, with no deaths reported. Health officials caution that due to a roughly six-week lag in reporting, more infections are likely to be identified.

The current U.S. outbreak, which began on May 1, is centered in Michigan, with Ohio and New York also reporting high numbers of cases. Separately, Michigan health officials reported 3,309 cases, an increase of 669 since the last update on Monday. The CDC is aware of more than 5,100 additional cases that require further analysis and confirmation. According to CBS News, Michigan state health officials have identified lettuce or salad greens as a potential source of the outbreak.

The Illinois Department of Public Health reported over 216 confirmed cases statewide, including 95 acquired domestically and 96 among patients who traveled outside the U.S. So far, there have been 18 hospitalizations. The department recommends washing produce thoroughly before eating, cutting, or cooking to prevent infection.

The number of cyclosporiasis cases are likely underreported because there is significant time between when the parasite is first consumed and when symptoms begin showing up. This makes the true number of cases in an outbreak – in the state and nationwide – more difficult to report as well.

Cyclosporiasis can be contracted by consuming food or water contaminated with feces. It is the illness caused by the parasite cyclospora and is typically treated with the antibiotic Bactrim. Common symptoms include frequent watery diarrhea, loss of appetite, bloating, nausea, and fatigue. While the U.S. has experienced outbreaks of this gastrointestinal illness before, the scale and geographic spread of this year's outbreak are significantly larger, prompting concern among health officials.

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