The US Food and Drug Administration said it’s investigating yet another outbreak of the diarrhea-causing cyclospora parasite, with 72 cases tied to an unknown source.
The latest infections disclosed by the agency on July 22 add to the surge of cases centered in the Midwest. Those were linked to Taylor Farms lettuce, and the company has recalled those products. The FDA already was investigating several other ongoing cyclospora outbreaks.
The outbreaks are roiling consumers and spooking investors. While the FDA said the latest outbreak hasn’t been linked to an identifiable product, shares of Sweetgreen Inc. fell more than 13% at 3:25 p.m. in New York and Chipotle Mexican Grill Inc. fell more than 4% to a session low. Neither company has been linked to outbreaks to date.
Yum! Brands Inc., whose Taco Bell chain was previously linked to the Taylor Farms cases, fell as much as 1.4%, erasing earlier gains.
Cyclospora cases rise every summer as the warmer season allows the parasite to thrive. Thousands of people have been infected with the severe diarrhea-causing parasite across 41 states so far this summer, according to the US Centers for Disease Control and Prevention.
Photo: The US Food and Drug Administration headquarters in Silver Spring, Maryland. Photographer: Valerie Plesch/Bloomberg
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