Cyclospora Outbreak in Houston Prompts Federal Health Investigation
Federal health officials are investigating an outbreak of the parasite cyclospora, which causes diarrhea, with 72 people reported sick in Houston as of Wednesday.

Houston, TX, July 23, 2026 —
Federal health officials have launched an investigation into an outbreak of the parasite cyclospora that has affected residents in Houston. As of Wednesday, health authorities reported that 72 individuals in the city have fallen ill.
The cyclospora parasite is known to cause diarrheal illness. Further details regarding the source of the outbreak, specific timelines, or the demographics of those affected were not immediately available.
Health agencies are working to determine the origin of the contamination and to implement measures to prevent further spread of the illness. The investigation is ongoing, and officials are expected to release updates as more information becomes available.
Story summarized from the original created by Stephanie.Weaver@fox.com (Stephanie Weaver) on www.fox26houston.com, see more information here.