CubaHeadlines

Cyclospora Outbreak in Florida: Understanding the Illness and How to Protect Yourself

Sunday, July 12, 2026 by Richard Morales

Cyclospora Outbreak in Florida: Understanding the Illness and How to Protect Yourself
Jackson Memorial Pavilion (Reference Image) - Image © Facebook / Dariel Fernández

Florida has confirmed 50 cases of cyclospora infection since the outbreak commenced in May, as reported by the state's Department of Health. The outbreak has impacted over 20 counties, including five cases each in Miami-Dade and Broward.

The Tampa Bay area, encompassing Hillsborough, Pasco, and Polk counties, has reported an additional seven cases, according to Telemundo 51.

Health authorities have yet to pinpoint the exact source of the infection.

Understanding Cyclospora and Its Transmission

Cyclospora infection is caused by the microscopic parasite Cyclospora cayetanensis, which affects the small intestine. It spreads through the consumption of fresh produce or water contaminated with human feces containing the parasite, rather than through direct person-to-person contact.

The incubation period can range from one to 14 days after ingestion. Foods commonly linked to past outbreaks in the U.S. include items that are difficult to clean thoroughly, such as herbs, lettuces, salad mixes, small fruits, basil, cilantro, onions, raspberries, and berry mixes.

Recognizing Symptoms and Infection Duration

The most prevalent symptoms are severe watery diarrhea, occurring up to five to ten times a day, along with abdominal cramps, nausea, fatigue, low-grade fever, loss of appetite, and bloating.

Routine tests do not typically detect the parasite, necessitating specific diagnostic tests. It is advised to conduct up to three stool sample analyses on alternating days for accurate results.

Without intervention, the illness can last for weeks or even over a month, with the potential for relapses. For individuals with weakened immune systems, like those with HIV/AIDS, the infection can become chronic and lead to serious complications.

To date, no deaths related to this outbreak have been reported in the U.S.

National Spread of the Outbreak

Florida isn't the sole state experiencing this issue. The Centers for Disease Control and Prevention (CDC) have recorded 843 confirmed cases nationwide across 31 states since May 1, with 86 hospitalizations.

Moreover, the CDC is investigating over 1,500 additional cases to confirm cyclospora infections. The affected individuals range in age from five to 88 years, with a median age of 44, and 59% are women.

No international travel has been reported as a risk factor, indicating a purely domestic transmission.

Effective Treatment and Preventive Measures

The preferred treatment is the antibiotic combination trimethoprim-sulfamethoxazole, known commercially as Bactrim or Septra, administered for seven to ten days in individuals with healthy immune systems.

To help prevent infection, health officials advise washing fruits, vegetables, and herbs under running water before consumption, scrubbing firm produce with a clean brush, removing damaged areas, and drying them with a clean towel.

It is crucial to note that common kitchen disinfectants do not eliminate the parasite; only cooking can destroy Cyclospora cayetanensis.

This year, Florida has been under active health surveillance, with prior alerts for Vibrio vulnificus bacteria, measles, and dengue. Cyclospora cases tend to rise during spring and summer, with the season typically running from May 1 to August 31. As a result, authorities anticipate an increase in cases in the coming weeks.

In some years, clusters of cyclospora cases have been detected outside of this timeframe.

Frequently Asked Questions About Cyclospora in Florida

What causes cyclospora infection?

Cyclospora infection is caused by ingesting food or water contaminated with the parasite Cyclospora cayetanensis.

How can cyclospora be prevented?

To prevent cyclospora, wash produce thoroughly under running water, scrub firm fruits and vegetables, remove damaged parts, and dry them with a clean towel. Cooking food can destroy the parasite.

What is the recommended treatment for cyclospora?

The recommended treatment is a course of the antibiotic combination trimethoprim-sulfamethoxazole (Bactrim or Septra) for seven to ten days.

© CubaHeadlines 2026