COVID itself causes blood clots. In fact, pulmonary embolism with blood clots is frequent in COVID patients. https://health.clevelandclinic.org/should-you-be-w

COVID itself causes blood clots. In fact, pulmonary embolism with blood clots is frequent in COVID patients. https://health.clevelandclinic.org/should-you-be-worried-about-blood-clots-with-covid-19 https://health.clevelandclinic.org/should-you-be-worried-abo... https://www.ejinme.com/article/S0953-6205(20)30349-6/fulltext https://www.ejinme.com/article/S0953-6205(20)30349-6/fulltex... https://ashpublications.org/blood/article/140/Supplement%201/5647/490775/Accuracy-and-Prediction-of-D-Dimers-for-Pulmonary https://ashpublications.org/blood/article/140/Supplement%201...