🔥 Trending Explosive Diarrhea Parasite Outbreak: What You Need to Know

An outbreak of a parasite causing severe, watery diarrhea, often described as "explosive," is currently spreading across the United States. As of July 1, 2026, over 140 people have been sickened, with some reports indicating up to 145 cases across at least 17 to 20 states and Washington D.C. ¹²⁵⁶⁸. New York has reported the highest number of cases ¹⁸.

What is the Parasite?

The parasite responsible for this outbreak is Cyclospora cayetanensis, which causes an illness known as cyclosporiasis ⁴⁵. This is a type of food poisoning ⁴.

Symptoms of Cyclosporiasis

The infection primarily affects the gastrointestinal system, leading to a range of unpleasant symptoms. These include:

• Explosive, watery diarrhea: This is the most prominent and frequently reported symptom ¹²⁵⁶⁷.
• Loss of appetite and significant weight loss: Many individuals experience a decrease in appetite, sometimes leading to noticeable weight loss ²⁵.
• Stomach cramping, bloating, and gas: Abdominal discomfort, including severe cramping, bloating, and gas, is common ²⁴⁵.
• Nausea and vomiting: Some individuals may experience nausea and vomiting ⁴⁵⁶.
• Fatigue: General tiredness and exhaustion, sometimes severe, can accompany the infection ³⁴⁵⁶⁷.
• Low-grade fever and body aches: These symptoms can also occur ⁵.
• Skin issues: While less common, some reports mention skin issues as a potential sign of parasitic infection ³.

It's important to note that symptoms can vary, and some symptoms overlap with other conditions, so medical evaluation is crucial for proper diagnosis ⁹.

Who is Affected?

The outbreak has affected over 140 individuals across multiple states in the U.S., with the highest concentration of cases in New York ¹²⁵⁶⁸. At least 20 people have been hospitalized due to the severity of their illness ⁸.

While the exact source of the outbreak is still under investigation, Cyclospora infections are typically linked to contaminated fresh produce ⁵. Health officials are actively working to identify the source to prevent further spread ⁶.

If you experience symptoms consistent with cyclosporiasis, especially if you have been in an affected area, it is advisable to seek medical attention for proper diagnosis and treatment.