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Background
Long COVID symptoms are widely diffused and have a poorly understood pathophysiology, with possible involvement of inflammatory cytokines.
Materials and Methods
A prospective follow‐up study involved 385 unvaccinated patients, started 1 month after SARS‐CoV‐2 infection and continued for up to 12 months. We compared circulating biomarkers of neutrophil degranulation, endothelial and metabolic...