Risk of Rare Blood Clotting Higher for COVID-19 Than for Vaccines: Study

A healthcare professional holds a vial of the Moderna COVID-19 vaccine at the West Wales General Hospital in Carmarthen, Wales, on April 7, 2021. Jacob King/AFP via Getty Images

The risk of getting a rare blood clot is higher for people who get COVID-19 than for those who receive a COVID-19 vaccine, according to a new study.

The rare type of clot, cerebral venous thrombosis (CVT), occurred in 39 in a million COVID-19 patients in the observational study.