Lettuce or salad greens could be source of diarrhea-causing illness, Michigan health officials say

The foodborne gastrointestinal illness has shown up in 31 states, and federal health officials say 86 people have been hospitalized.

Lettuce or salad greens could be the source of Michigan’s outbreak of cyclosporiasis, an infection characterized by intense diarrhea, state health officials said Monday.

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“Early information has shown lettuce as a common product that regularly comes up during the investigation,” Dr. Natasha Bagdasarian, the state’s chief medical executive, said in a statement.

There is not enough information to pinpoint the type of produce, the grower or the supplier, and other food items cannot be ruled out, the state Department of Health and Human Services said in the same statement.