In the US, CDC has been notified of 570 laboratory-confirmed cases of cyclosporiasis in persons who became ill in 2017. This number includes persons who reported international travel as well as persons who did not report travel. The reports have come from 35 states.
Texas alone has reported 230 cases as of Aug. 15.
At least 251 (44%) of these persons did not report international travel and were likely infected in the United States, and became ill on or after May 1, 2017.
LISTEN: Parasites 101: Cyclospora
At this time, no specific vehicle of interest has been identified, and investigations to identify a potential source (or sources) of infection are ongoing. It is too early to say whether cases of Cyclospora infection in different states are related to each other or to the same food item(s).
In Canada, health officials report an additional 26 cases of locally acquired Cyclospora, bringing the total to 130 in three provinces: British Columbia (13), Ontario (115) and Quebec (2). The source of the outbreak has not been identified.
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