Intestinal parasite outbreak: 285 cases in 11 states, 1 in Minn. - KMSP-TV

Intestinal parasite outbreak: 285 cases in 11 states, 1 in Minnesota

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One case of the stomach bug Cyclosporiasis has been reported in Minnesota in an 11-state outbreak that has sickened 285 people, including 138 in Iowa.

Cyclosporiasis is caused by an intestinal parasite that comes from contaminated food or water.


Two cases were reported in Iowa on June 28. Since that date, the CDC has been working with the FDA and multiple state health departments to investigate the source of the outbreak.

Most of the illness onset dates have ranged from mid-June through early July, and at least 18 patients in three states were hospitalized. It is not yet clear whether the cases from all of the states are part of the same outbreak.

No food items have been implicated, but public health officials are pursuing all leads. Previous outbreak investigations have implicated various types of fresh produce.


The time between becoming infected and becoming sick is usually about one week. Cyclospora usually causes watery diarrhea, with frequent and sometimes explosive episodes.

Other common symptoms include loss of appetite, weight loss, stomach cramps, bloating, increased gas, nausea and fatigue. Vomiting, body aches, headache, fever and other flu-like symptoms may be noted.

If not treated, the illness may last from a few days to a month or longer. Symptoms may seem to go away and then return one or more times Some people who are infected with Cyclospora do not have any symptoms.

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