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Parasitic Illness Confirmed In Kent County

By Mary Ellen Murphy Jul 12, 2026 | 12:50 PM

(Kent County, MI) – The Kent County Health Department is confirming ten cases of cyclosporiasis in the county. Michigan is experiencing an outbreak of cyclosporiasis, a sickness caused by a parasite. It is not spread person to person. It is usually spread through contaminated food or water. The source of this outbreak has not yet been identified but previous outbreaks have been linked to fresh produce.

The Michigan Department of Health and Human Services (MDHHS) recommends the following precautions for restaurants and commercial kitchens:

  • Lettuce and leafy greens: Purchase whole heads of lettuce rather than prewashed, bagged lettuce or salad mixes. Remove the outer two to three leaves and wash the remaining leaves under running water. Cook leafy greens when possible.
  • Cilantro and basil: Separate the leaves and wash thoroughly under running water. Cooking is the safest option.
  • Green onions: Trim the root end, remove the outer layer, and wash thoroughly under running water. Cooking is the safest option.
  • Raspberries: Because their surface is difficult to clean, consider using cooked raspberries (such as in pies or jams) or frozen raspberries. Freezing may reduce, but does not eliminate, the parasite.
  • Snow peas: Wash thoroughly under running water while rubbing the surface. Cooking is the safest option.

You can find updates, case counts, and other resources here. If you have additional questions or concerns, contact your OCDPH inspector. You may also reach us at eph@miottawa.org or 616-393-5645.

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