At five o’clock this morning Eastern time, the Washington Post reported that the Centers for Disease Control and Prevention has linked four more states to the Cyclospora outbreak traced to iceberg lettuce from Taylor Farms de Mexico. Illinois, Kansas, Oklahoma and Pennsylvania join Indiana, Kentucky, Michigan, Ohio and West Virginia. Nine states.

CDC’s own outbreak

Three federal maps describe the 2026 Cyclospora Summer. Read in order, they move from what has been established, to what is documented but unexamined, to what nobody has yet explained.

CDC, Where People Got Sick: Cyclospora Outbreak, July 2026 — last reviewed July 16, 2026.

This part is settled. FDA’s traceback investigation identified convergence on

In November 2013, after Cyclospora cayetanensis sickened hundreds of people in Iowa and Nebraska, FDA published an environmental assessment of the Taylor Farms de México processing plant at Doctor Mora, Guanajuato. The report closed with recommendations. The second told the firm to determine whether Cyclospora is a reasonably likely hazard in the Guanajuato leafy green

Mexico’s health secretary, David Kershenobich, told reporters Tuesday that his government has found no evidence that the outbreak sickening thousands of Americans began on a lettuce farm in Guanajuato. He said Mexico is taking precautions anyway, and its food-safety agencies, Cofepris and Senasica, say they are running preventive inspections and traceability checks in the state.

Nearly twelve thousand cyclosporiasis cases have now been reported to the CDC this summer — 4,173 confirmed in the laboratory as domestically acquired, and more than 7,400 more still awaiting the analysis that would confirm them, many of them in Michigan and Ohio. Michigan alone counted 6,571 as of July 21, with 102 hospitalizations and