Cyclospora Cases Rise Rapidly Across U.S. With No Source Identified

Reported cyclospora infections have risen sharply across the United States in recent weeks. The parasite causes prolonged gastrointestinal illness and has affected thousands of people. Health authorities have not identified a single food source linked to the current increase. The organism is difficult to trace because symptoms can appear days or weeks after exposure.

Officials continue to collect case data and interview affected individuals. No common supplier or distribution channel has been confirmed. Funding reductions have limited the number of staff available for traceback investigations. Laboratories report longer turnaround times for sample analysis.

Cyclospora cayetanensis spreads through contaminated fresh produce and water. Past outbreaks have been tied to imported herbs, berries, and leafy greens. The current wave has not been connected to any specific product or region. Public health agencies have issued general food-safety reminders while the investigation continues.