Coronavirus causes blood clots harming organs from brain to toes

Another threat from the lung virus that causes Covid-19 has emerged that may cause swift, sometimes fatal damage: blood clots. Doctors around the world are noting a raft of clotting-related disorders -- from benign skin lesions on the feet sometimes called “Covid toe” to life-threatening strokes and blood-vessel blockages. Ominously, if dangerous clots go untreated, they may manifest days to months after respiratory symptoms have resolved. The clotting phenomenon is “probably the most important thing that’s emerged over the last perhaps month or two,” said Mitchell Levy, chief of pulmonary critical care and sleep medicine at the Warren Albert School of Medicine at Brown University in...