Health Advisory: Public Health District Reports Increase in Cyclosporiasis Cases in Nueces County
CORPUS CHRISTI, TX – The Corpus Christi-Nueces County Public Health District (CCNCPHD) is reporting a significant increase in Cyclosporiasis cases in 2026. According to current provisional data, Nueces County has confirmed 20 cases of Cyclosporiasis from January through July 2026, marking an increase of more than four times the total reported cases in 2025.
At this time, no common source for the outbreak has been identified, and the reported cases do not indicate a widespread community outbreak. The increase in cases is being closely monitored through ongoing disease surveillance and collaboration with state and federal public health partners.
Cyclosporiasis is an intestinal illness caused by the microscopic parasite Cyclospora cayetanensis. Infection occurs when a person consumes food or water contaminated with the parasite. The peak transmission season typically occurs from May through August.
Symptoms generally develop 2 to 14 days after exposure and may include:
· Prolonged watery diarrhea
· Loss of appetite
· Fatigue
· Weight loss
· Abdominal cramps and bloating
· Nausea and vomiting
· Low-grade fever
Illness may persist for several weeks, and symptoms can recur after temporary improvement.
CCNCPHD is encouraging residents to take simple precautions to reduce their risk of illness, including:
· Thoroughly wash fresh fruits and vegetables before eating or preparing them.
· Practicing good hand hygiene, especially before handling food and after using the restroom.
· Seek medical care if experiencing prolonged watery diarrhea or other symptoms consistent with Cyclosporiasis.
· Follow healthcare provider recommendations and avoid preparing food for others while experiencing diarrheal illness.
For more information, visit:
Health Advisory: Test patients with symptoms consistent with Cyclospora infection | Texas DSHS
Clinical Overview of Cyclosporiasis | Cyclosporiasis | CDC
For media inquiries, contact Robert Gonzales, Public Information Manager, at (361) 826-3233 or robertg8@corpuschristitx.gov.
