August 20, 2026- The Centers for Disease Control and Prevention (CDC) has received reports of 15,716 laboratory-confirmed cases of cyclosporiasis acquired in the United States since May 1, 2026, according to an August 18 update. CDC. In comparison, 1,180 cases were reported in the United States between May 1 and August 31, 2025. At least 11,841 additional cases of cyclosporiasis may require further investigation and analysis, per the CDC. There are “multiple clusters” of cyclospora that remain under investigation and do not have identified sources so far.