>> Katherine J Wu, The New York Times Published: 07 Jan 2021 12:00 PM BdST Updated: 07 Jan 2021 12:00 PM BdST A patient recovered from COVID-19 donated plasma at the Hemotherapy Institute in La Plata, Argentina, in October. Agustin Marcarian/Reuters A small but rigorous clinical trial in Argentina has found that blood plasma from recovered COVID-19 patients can keep older adults from getting seriously sick with the coronavirus — if they get the therapy within days of the onset of the illness. "); } The results, published Wednesday in the New England Journal of Medicine, are some of the first to conclusively point toward the oft-discussed treatment’s beneficial effects. They arrive nearly five months after the Food and Drug Administration, under pressure from President Donald Trump, issued the therapy an emergency green light for use in people hospitalised with COVID-19.