"Immune cells that drive harmful autoantibody responses after COVID-19 identified" COVID-19 can trigger an abnormal immune response, causing autoantibodies that mistakenly attack the body’s own tissues. Researchers found atypical memory B cells may drive this response, suggesting SARS-CoV-2 can activate an immune program resembling autoimmune disease. Source: https://medicalxpress.com/news/2026-08-immune-cells-autoantibody-responses-covid.html Study: https://www.cell.com/immunity/abstract/S1074-7613(26)00324-9