Cyclosporiasis Outbreak

The West Virginia Department of Health Office of Epidemiology is investigating an outbreak of cyclosporiasis

Last updated: August 14, 2026

West Virginia Case Counts

Total Cases: 304

To date, 20 reported cases indicated they had been hospitalized.

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Data notes

Case counts reflect all cases of cyclosporiasis reported during the outbreak investigation period and may change as additional information becomes available.

• Total case counts and hospitalization status and detailed outbreak data are updated on Fridays.
   

News and Updates

• HEALTH ADVISORY #236 Test Patients with Symptoms Consistent of Cyclospora Infection 
• FDA Advisory
• CDC Outbreak Page
   

Resources

• About Cyclosporiasis CDC - Symptoms, how it spreads, diagnosis, and treatment.
• Preventing Cyclosporiasis CDC - Steps to reduce the risk of cyclosporiasis and other foodborne illnesses.
• Cyclosporiasis - CDC Provider Fact Sheet 
• Cyclosporiasis - CDC Public Fact Sheet
• Cyclosporiasis - CDC Public Fact Sheet: Spanish 
• Cyclosporiasis Info Sheet