India, July 8 -- Michigan health officials stated that the state's cyclosporiasis outbreak has grown rapidly, with 992 cases reported as of July 8, up from just 170 cases on June 30.

Cyclosporiasis is an intestinal illness caused by the parasite Cyclospora cayetanensis. According to the US Centers for Disease Control and Prevention (CDC), common symptoms include frequent watery diarrhea, loss of appetite, bloating, nausea, tiredness, stomach cramps, and fatigue. Some people may also experience body aches, headaches, or vomiting.

The outbreak first came to light in late June after the Monroe County Health Department began investigating a group of related cases. Since then, the number of infections has risen sharply. By July 7, Michigan had...