How US doctors collaborated in response to COVID-19's alarming propensity for clots

The phenomenon has fueled a drive to develop new treatment protocols

As SARS-CoV-2 spread through New York City in late March, doctors at Mount Sinai Hospital noticed something strange happening to patients' blood.

blood clot

Signs of blood clotting were being detected in different organs by doctors from different specialties. This would turn out to be one of the alarming ways the virus ravages the body, as doctors there and elsewhere were starting to realise.

At Mount Sinai, nephrologists noticed kidney dialysis catheters getting plugged with clots. Respiratory physicians monitoring COVID-19 patients on