Convalescent Plasma May Keep COVID-19 Patients out of Hospital

A laboratory technician prepares to process a bag of blood plasma as part of a research project on plasma from recovered patients for the treatment of COVID-19 patients, on Oct. 5, 2020. Jaime Reina/AFP via Getty Images

Researchers found that convalescent plasma reduced the need for hospitalization by half for outpatients who participated in the study.

Convalescent plasma is plasma from people who have recovered from COVID-19 and whose blood contains antibodies against SARS-CoV-2, the virus that causes COVID-19.