Support WBURLong COVID scientists try to unravel blood clot mysteryPlay13:22Download AudioRebecca RamirezEmily KwongGabriel SpitzerMargaret CirinoBerly McCoyMay 15, 2023 ShareAs part of studying long COVID, graduate researcher Bradley Wade Hamilton separates out microclots from blood platelets in a solution. (Anil Oza/NPR)
