Topic overview
In brief
- Over 11,000 cases of cyclosporiasis have been reported in Michigan since June 22, 2026.
- Two individuals with significant underlying health conditions have died due to complications from the infection.
- Health officials emphasize the need for proper food safety practices to prevent further infections.
Summary
In the United States, a significant outbreak of cyclosporiasis has emerged, particularly affecting Michigan, where over 11,000 cases have been reported since June 22, 2026. The Michigan Department of Health & Human Services confirmed that two individuals have died due to complications related to the infection. Both victims had significant underlying health conditions that may have worsened their situation, leading to severe dehydration caused by the illness. The Centers for Disease Control and Prevention (CDC) is aware of these fatalities but has not provided additional details regarding the cases.
Cyclospora cayetanensis, the parasite responsible for this illness, is typically transmitted through contaminated food or water. Symptoms of cyclosporiasis can take up to two weeks to manifest after exposure, and the illness can cause severe, watery diarrhea that may last for an extended period. While infections are generally not fatal, certain populations, including those with weakened immune systems, older adults, and young children, are at a higher risk of experiencing severe complications.