What if a blood test could detect serious forms?

Every day we learn a little more about the Covid-19, the disease caused by SARS-CoV-2. And if we know that certain factors (such as obesity, diabetes, high blood pressure, etc.) favor the appearance of serious complications, it is still difficult to predict which patients are at risk of developing severe Covid-19… This is what researchers from the University of Virginia (USA). They have succeeded in developing a blood test intended to identify patients who, when infected with the coronavirus, present a higher risk than others of developing serious complications, in particular respiratory ones. To do this, the scientists collected blood samples from patients hospitalized in intensive care: among them, 13 had been diagnosed “positive” at the covid and 13 were not affected by the disease.

Results* ? After genomic and biological analyses, the scientists identified specificities in the blood of patients suffering from severe Covid-19 compared to patients with moderate Covid. Patients who developed a severe form of the disease had a blood level of ferritin twice as high: this protein (found mainly in the liver, bone marrow, spleen and muscles) is responsible for storing iron in the organism. Hyperferritinemia generally corresponds to iron overload. Then, patients with a Covid (…)

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