India, June 30 -- The Monroe County Health Department is investigating several cases of cyclosporiasis among residents. Meanwhile, health officials are working to determine whether the infections are linked to a common source of exposure.

Cyclosporiasis is an intestinal illness caused by the parasite Cyclospora cayetanensis. The parasite is commonly found in developing countries and usually spreads through food or water contaminated with human feces. In the United States, outbreaks have often been linked to contaminated fresh fruits and vegetables, particularly during the warmer months. However, the illness is not known to spread from one person to another.

According to the Centers for Disease Control and Prevention, people become infecte...