The CDC, public health and regulatory officials in several states, and the U.S. Food and Drug Administration are investigating a multistate outbreak of Cyclospora infections. As of August 9, 2018 (11am EDT), a total of 436 laboratory-confirmed cases of Cyclospora infection were reported in people who consumed salads from McDonald’s restaurants; the cases were reported by 15 states. Note, the Connecticut, Tennessee, and Virginia case-patients purchased salads while traveling in Illinois; the Florida case-patient purchased a salad while traveling in Kentucky.
The Tulsa Health Department (THD) in collaboration with the Oklahoma State Department of Health (OSDH), Acute Disease Service (ADS) are investigating an outbreak of cyclosporiasis among residents of Tulsa and surrounding counties. As of August 1, 24 laboratory-confirmed cases of cyclosporiasis have been reported; symptom onsets have occurred from June 24 through July 26, 2018. The epidemiologic investigation suggests this outbreak is likely ongoing with persons currently experiencing illness and new cases being reported. Case ages range from 27 to 67 years (median = 43 years); 67% of cases are females. Nine (38%) cases are of Hispanic ethnicity. Twenty-one (88%) cases are residents of Tulsa County; although the other three cases are residents of Wagoner, Creek, and Rogers counties, case interviews have revealed at least two of these three individuals shopped and dined at establishments in the Tulsa area.