August 20, 1997

Outbreak of Cyclosporiasis—Northern Virginia—Washington, DC—Baltimore, Maryland, Metropolitan Area, 1997

JAMA. 1997;278(7):538-539. doi:10.1001/jama.1997.03550070030016

DURING JULY 1997, state and local health departments in Virginia, the District of Columbia (DC), and Maryland received reports of clusters of cases of cyclosporiasis associated with events (e.g., luncheons) held in their jurisdictions during June and July. This report describes the preliminary findings of the investigation of a cluster in Virginia and summarizes the findings from ongoing investigations of the other clusters. Fresh basil has been implicated as the probable vehicle of infection. Alexandria, Virginia

On July 7, a company physician reported to the Alexandria Department of Health (ADOH) that most of the employees who attended a corporate luncheon on June 26 at the company's branch in Fairfax, Virginia, had developed gastrointestinal illness. The luncheon was catered by the Alexandria branch of company A. Company A operates nine stores in the northern Virginia-DC-Baltimore, Maryland, Metropolitan area: a central production kitchen and retail food store in Bethesda, Maryland;