COVID-19: 5 blood proteins predict critical illness and death

COVID-19: 5 blood proteins predict critical illness and death
Written by James Kingsland on March 3, 2021 — Fact checked by Catherine Carver, MPH
Five key proteins in a person’s blood may predict their risk of developing severe COVID-19. Thana Prasongsin/Getty Images
A study suggests that among people hospitalized for COVID-19, blood levels of five proteins are higher in those who will go on to require critical care.
These proteins are associated with a type of immune cell that may promote excessive inflammation and blood clotting in the lungs.
Some of the same proteins are at elevated levels in people with obesity.

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