U.S. health officials are investigating a new outbreak of a diarrhea-causing parasite

by | Jul 23, 2026 | Health

U.S. health officials are investigating a new outbreak of a diarrhea-causing parasite

Federal health authorities are actively investigating a new outbreak of cyclospora, a microscopic parasite known to cause gastrointestinal illness. As of Wednesday, the outbreak had affected 72 people, though officials have not yet disclosed the geographic distribution of cases or identified which specific food products may be responsible.

Cyclospora parasites typically contaminate food when produce comes into contact with water that has been contaminated with human feces, commonly during irrigation or washing procedures. The infection produces intestinal illness characterized by frequent and sometimes severe digestive symptoms. The agency has noted that thermal treatment can eliminate the parasite, with cooking to at least 158 degrees Fahrenheit considered effective.

This investigation occurs as federal officials continue to examine separate cyclospora clusters, including cases previously linked to lettuce products from Taylor Farms. That company announced a recall of iceberg lettuce grown in central Mexico earlier in the week, and authorities remain focused on determining whether this produce represents the source of that particular multistate outbreak.

Health officials recommend standard food safety practices to reduce contamination risk, including handwashing with soap and water following bathroom use and before food preparation. The FDA has not released additional details regarding the current outbreak, and the Associated Press has sought further information from the agency regarding product identification and case locations.

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