KCCI Investigates: Iowa cases may be tied to national outbreak of cyclosporiasis The parasitic illness causes explosive diarrhea and there are thousands of cases in nine state. Iowa Health and Human Services says the are completing interviews and reporting to the CDC.
State officials say there are Iowa cases of cyclosporiasis that are possibly tied to the national outbreak.
The Iowa Health and Human Services Department tells KCCI Investigates that they are following up with these cases.
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As of Thursday, there are184 cyclosporiasis cases in 2026 in the state compared with 61 cases reported by the same time in 2025.
Interviews have been completed for 117 cases, and 45 individuals reported international travel, HHS says.
State health officials report these cases to the CDC once an interview is done.
HHS says that Iowans must have consistent symptoms and either a positive laboratory result or an epidemiological link to a confirmed case.