CDC and FDA Investigate Cyclosporiasis Outbreak in Florida
The CDC and FDA are investigating a Cyclosporiasis outbreak in Florida, with cases rising to 168. This intestinal infection causes frequent, watery diarrhea.

Orlando Daytona Beach Melbourne, FL, July 24, 2026 —
Federal health officials are actively investigating an outbreak of Cyclosporiasis in Florida, a condition characterized by frequent, watery diarrhea. As of the latest reports, the number of confirmed cases has risen to 168.
The Centers for Disease Control and Prevention (CDC) and the U.S. Food and Drug Administration (FDA) are collaborating on the investigation. Cyclosporiasis is an intestinal illness caused by the microscopic parasite Cyclospora cayetanensis. Infection typically occurs when someone eats food or drinks water contaminated with the parasite. The parasite is passed in the stool of an infected person, and typically must be consumed within a few hours or days of being shed.
Symptoms of infection usually appear about a week after consuming contaminated food or water and can include frequent, watery diarrhea, loss of appetite, weight loss, stomach cramps, bloating and gas, nausea, fatigue, and vomiting. Some infected people may not develop any symptoms or may experience only mild symptoms. If not treated, the illness can last for several days to several weeks.
The current investigation is focused on identifying the source of the outbreak within Florida to prevent further spread of the illness. Health authorities are advising residents to practice good hygiene, including thorough handwashing, especially after using the restroom or changing diapers, and before preparing or eating food. Proper washing of fruits and vegetables is also recommended.
Further updates on the investigation and potential sources will be provided as more information becomes available from the CDC and FDA.
Story summarized from the original created by Josh.Frigerio@fox.com (Josh Frigerio) on www.fox35orlando.com, see more information here.