COVID-19 causes many complications in the human body and triggers severe inflammation in the lungs and blood vessels.
The coronavirus causes blood to become stickier and immobilized patients in critical care have an even higher risk of developing blood clots, known as thrombosis. Between 30 and 50 percent of COVID-19 patients in intensive care are also at a high risk of a potentially fatal pulmonary embolism, caused by a blockage of an artery in the lungs by a blood clot that has come from elsewhere in the body.
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