Large Study Suggests Blood Plasma Can Help Treat COVID-19, but Experts Have Doubts

August 17, 2020 by Christen Aldrich

Filed under COVID-19 for Employers, COVID-19 for the Workforce

Last modified August 18, 2020

According to this recent nationwide study, infusing hospitalized COVID-19 patients with blood plasma from people who recovered from the disease appeared to show a benefit, but the study’s lack of a placebo group left several experts struggling to interpret the data. The study, which enrolled more than 35,000 patients, found that quickly administering so-called convalescent plasma had a marked effect on mortality for patients with severe cases of COVID-19. Those who received transfusions within three days of diagnosis had a seven-day death rate of 8.7%, while patients who got plasma after four or more days had a mortality rate of 11.9%. The difference met the standard for statistical significance.

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