CDC Reports Over 4,100 Cyclosporiasis Cases, Worst Year on Record
3 verified6 unconfirmed
The number of confirmed cyclosporiasis cases in the United States has exceeded previous records, according to the federal Centers for Disease Control and Prevention (CDC). The parasitic infection, which causes severe intestinal illness, has been reported in multiple states. The CDC’s current tally stands at more than 4,100 confirmed cases for this year. The surge has made 2026 the worst year for the infection on record. State and federal officials are investigating the outbreak, which can take weeks to confirm due to the complexity of the parasite. No deaths have been reported, but hundreds of hospitalizations have occurred.
What’s verified
The CDC reports over 4,100 confirmed cases of cyclosporiasis in 2026, surpassing previous records.
The parasite causes intestinal illness, including symptoms such as diarrhea, nausea, and stomach cramps.
The CDC has confirmed cases across multiple states.
Not yet confirmed
The exact number of confirmed cases is reported as over 4,100 by one source and over 4,173 by another.
One source states that at least 1,644 cases in five states have been linked to shredded iceberg lettuce grown in central Mexico and sold by Taylor Farms.
One source reports 308 hospitalizations and no deaths as of the latest data.
One source mentions that the CDC estimates there may be more than 7,400 additional unconfirmed cases.
The total number of affected states is reported as 41 by one source, up from 34 states the previous week.
The specific states with the highest case counts, including Michigan, Indiana, New York, North Carolina, and Ohio, are noted in only one source.
Key figures
CDC (Centers for Disease Control and Prevention)
Sources: NPR, stateline.org
