🔥 Trending Cyclosporiasis Outbreak: What You Need to Know About the Parasitic Illness

Cyclosporiasis is an intestinal illness caused by the microscopic parasite Cyclospora cayetanensis ¹⁰. This parasite lives on or inside another organism and often spreads through contaminated water or food ⁸⁹.

Current Outbreak Status (as of July 2026)

As of July 2026, there is an ongoing outbreak of cyclosporiasis in the United States, with thousands of cases reported across the country ⁴⁵. The Centers for Disease Control and Prevention (CDC) is actively investigating this outbreak ⁴⁵. Cases have been detected in 31 states ⁶, and the illness can lead to severe symptoms such as "explosive diarrhea" ⁴⁷.

Symptoms of Cyclosporiasis

Symptoms of cyclosporiasis typically appear about one week after consuming contaminated food or water, though this can range from as soon as 2 days to 2 weeks or more ².

Common symptoms include:

• Watery diarrhea: This is a hallmark symptom and can be severe, sometimes described as "explosive" ¹⁷.
• Loss of appetite ¹
• Weight loss ¹
• Nausea ⁶
• Fatigue ³
• Stomach cramps or pain ³
• Bloating ³
• Increased gas ³
• Vomiting (less common) ³
• Low-grade fever (less common) ³

If you experience symptoms of cyclosporiasis, it is important to see a healthcare provider. They can test for the parasite and provide appropriate treatment ¹. Healthcare providers are also required to report confirmed cases of cyclosporiasis to public health authorities ¹.