This is an update on the number of  illnesses acquired in the United States with onset on or after April 1, 2023. Cases continue to be reported. States reporting cases: Arizona, Georgia, Texas, New York, Alabama, South Carolina, Colorado, Virginia, North Carolina, Florida, California, Connecticut, Michigan, New Jersey, Illinois, Pennsylvania, Tennessee, Wyoming, Maryland, Minnesota, Nebraska

The Colorado Department of Public Health and Environment is currently investigating an outbreak of Cyclospora on the Western Slope. As of June 15, there have been 62 cases reported in Colorado since May 1, 2023. These cases have not resulted in any hospitalizations or deaths. Historically, Colorado has averaged 63 cases per year between 2017

This is an update on the number of cyclosporiasis illnesses acquired in the United States with onset on or after April 1, 2023. Cases continue to be reported.









South Carolina



New Jersey

Ney York


No specific food items have been identified as the source

The Alabama Department of Public Health (ADPH) is investigating multiple reports of Cyclospora infection statewide. ADPH has seen more infections with this parasite since April, and there are more than twice as many cases as were reported in Alabama last year.

Cyclosporiasis is a gastrointestinal illness caused by a microscopic parasite. In the U.S., people

Federal officials report that the number of patients in an outbreak of infections from the Cyclospora parasite have increased by more than a dozen in the past week.

The Food and Drug Administration says there are now 77 confirmed patients compared with 60 a week ago. The agency has not yet determined what food is

At a Glance

            •          Illnesses: 384

            •          Hospitalizations: 30

            •          Deaths: 0

            •          States reporting cases: 22

Latest Information

            •          The number of reported cases of domestically acquired cyclosporiasis illnesses has increased by 323 cases since the last update on June 30, 2022. Cases continue to be reported.

            •          As of July 26, 2022, 384 laboratory-confirmed cases of cyclosporiasis in people

Public Heath Canada is working with its public health and food safety partners to identify possible ways non-travel related Cyclospora infections are occurring in Canada.

As of June 30, a total of 84 cases of Cyclospora infections were reported in the following provinces: British Columbia (1), Ontario (75), and Quebec (8). 4 individuals have been