Nurses chase Cyclospora using grocery receipts, food apps and detailed interviews

Public health nurses have been pulled from other duties in Washtenaw County, MI, to call hundreds of people sick with cyclosporiasis, and try to help them remember everything they ate in recent days.

The top 3

  1. Fresh Produce: Cyclospora's Top Source: Fresh produce, including various fruits and vegetables like raspberries, basil, cilantro, and leafy greens, is consistently identified as the leading vehicle for Cyclospora transmission in outbreaks.
  2. Water Contamination: Key Spread Factor: Contaminated water, used for irrigation, washing produce, or even recreational activities, is a primary pathway for Cyclospora oocysts to reach food and spread infection.
  3. Delayed Onset & Relapsing Symptoms: The incubation period for Cyclospora typically averages one week, but can range from 2 to 14 days or more, making it challenging to recall the specific contaminated food. Untreated infections can last for weeks, often with symptoms that resolve and then return.

Sources

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