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  "path": "/news/2026-05-scientists-infection-triggered-chronic-conditions.html",
  "publishedAt": "2026-05-14T08:00:03.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Thousands of Americans develop chronic persistent symptoms—such as fatigue, cognitive difficulties (\"brain fog\"), and other debilitating issues—each year following acute infections from Lyme disease, COVID-19, and other pathogens. Efforts to identify causes and produce treatments have failed. However, 16 leading researchers think they know part of the problem: study design.",
  "title": "Scientists say studies of infection-triggered chronic conditions have been undermined by unproven diagnoses"
}