Blood samples from Covid-19 patients showed sicker patients had a high concentration of Alpha-defensin, a peptide involved in blood clots formation. Researchers around the world have been puzzled by a deadly Covid-19 complication: blood clots that can cause swollen legs, rashes and even sudden death. More than 30 percent of Covid-19 patients suffer from blood clots, which create lethal blockages in the lungs, kidneys, heart and brain. Dr. Abd Al-Roof Higazi, head of the Division of Laboratories and Department of Clinical Biochemistry at Hadassah University Medical Center in Jerusalem, has found the mechanism that causes the clots. Higazi and colleagues...