Early High-Titer Plasma Therapy to Prevent Severe Covid-19 in Older Adults

RCT (n=160) found early administration of high-titer convalescent plasma against SARS-CoV-2 to mildly ill infected older adults reduced progression of Covid-19 vs. placebo (severe respiratory disease in 13/80 [16%] vs. 25/80 [31%], respectively;RR 0.52; 95% CI, 0.29-0.94; p=0.03)

Source:

New England Journal of Medicine