In at least a subset of people with long COVID,the body’s immune system launches an autoimmune attack against the patient’s own cells,causing a cascade of symptoms such as fatigue,brain fog,weakness…findings suggest that long COVID may overlap with autoimmune diseases.
news.yale.edu/2026/05/28/y...
news.yale.edu
Yale study links some long COVID patients to autoimmune responses
A new study co-led by Yale scientists reveals that antibodies from some long COVID patients attacked brain and nerve tissues, a finding that could point toward treatments.