New research identifies immune system activity as likely cause of long Covid

New research has identified changes in blood proteins caused by the body’s immune defenses as the likely cause of long Covid. This could lead to new treatments as well as simple blood tests to identify people with this condition. Long Covid causes chronic fatigue, breathlessness, ‘brain fog’, anxiety, and stress, with 1.9 million people affected in the UK. Research found an abnormal activation of the complement system in people with long Covid, causing issues with blood clotting and inflammation. The study offers potential new biomarkers for diagnosis and future treatments. London Medical Laboratory has an existing heart health profile test that can be used as an indication of inflammation associated with long Covid.

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