A hidden physical change in the body may be helping to drive the prolonged malaise some people experience after contracting COVID-19. Analyzing blood samples from patients with long COVID, a team of medical researchers has identified unusual microscopic structures that may contribute to symptoms such as brain fog and fatigue.
If this is the case, it offers a hopeful target for future treatment. “This study shows a robust association between biomarkers indicative of thromboinflammatory activity and long COVID,” the team writes in a paper led by geneticist Alain Thierry of Montpellier University in France.
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