Cyclosporiasis outbreak expands to more states with Michigan hit disproportionately hard; 11,500+ suspected cases as ex-FDA official calls federal response 'catastrophic'

A record cyclosporiasis outbreak has reached 9 states, with experts warning federal health cuts are hampering the response.

A record-breaking cyclosporiasis outbreak has rapidly expanded across the United States, with Cyclospora cayetanensis cases now detected in at least 41 states (with 4 more states newly reporting cases) and over 11,500 people suspected to have been sickened this summer, including 7,400 confirmed cases under CDC investigation. Michigan is facing a disproportionately large outbreak compared to other states. The lettuce-linked outbreak cluster has grown to nine states, with Illinois, Kansas, Oklahoma, and Pennsylvania joining the originally identified states of Michigan, Ohio, Indiana, Kentucky, and West Virginia. Taylor Farms has recalled iceberg lettuce across 27 states, though the company has not specified where the products were served or sold, adding to public uncertainty. A second, as-yet-unidentified source of the parasite has emerged, sickening at least 72 additional people, and authorities warn the outbreak could continue for several more weeks. Oregon has reported two confirmed Cyclospora infections in residents that may be linked to the national outbreak and recalled shredded iceberg lettuce; the Oregon Health Authority says the state's overall risk remains low but more cases may emerge. Hawaii has reported three total confirmed cases this year, with two newly confirmed as travel-related infections acquired outside the state. Frank Yiannas, a former top FDA food safety official who served under both President Trump and President Biden, has publicly described the Trump administration's handling of the outbreak as 'catastrophic' and is calling for an independent review of the federal response. Public health experts and investigators note that identifying the source of a food-borne illness like cyclosporiasis is extremely difficult, likening it to finding a needle in a haystack. Broader concerns have been raised that recent federal layoffs, reduced disease surveillance infrastructure, and cuts associated with the current administration's restructuring of health agencies have weakened the government's capacity to track and contain the outbreak. Cyclosporiasis is caused by ingesting food or water contaminated with Cyclospora parasites and typically causes prolonged watery diarrhea, fatigue, and nausea; it can be serious for immunocompromised individuals. Outbreaks in the U.S. have historically been tied to imported fresh produce such as cilantro, raspberries, and leafy greens.

Why it matters

A multi-state foodborne outbreak requires coordinated federal surveillance and rapid traceback to identify and remove contaminated products — capabilities that experts say are now diminished. Slower identification means more people may be exposed before a recall or advisory is issued.

What's next

Watch for federal health agencies to formally identify the contaminated food source and whether a recall or public advisory is issued as the investigation continues.

Key facts

Bias & framing notes

The Guardian frames the outbreak primarily through the lens of federal health policy cuts, emphasizing political responsibility for the response failures. NBC San Diego's reporting focuses on the outbreak itself and the produce supply chain without political framing. Neither source provides an official government statement on the outbreak or its response, and no administration rebuttal to the experts' claims is included in the available reporting.

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