SARS CoV-2 affects the microcirculation, causing endothelial cell swelling and damage, microscopic blood clots (micro thrombosis), capillary congestion, and damage to pericytes that are integral to capillary integrity and barrier function, tissue repair (angiogenesis), and scar formation. Like other instances of critical illness, COVID-19 is also associated with elevated cytokine levels in the systemic circulation…. View Article
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