CDC has been notified of 641 ill persons with of Cyclospora infection from 24 states: Arkansas, California, Connecticut, Florida, Georgia, Illinois, Iowa, Kansas, Louisiana, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, New Hampshire, New Jersey, New York (including New York City), Ohio, South Dakota, Tennessee, Texas, Virginia, Wisconsin, and Wyoming.

Most of the illness onset dates have ranged from mid-June through mid-July.

Among 541 ill persons with available information, 41 (8%) have reported being hospitalized. No deaths have been reported.