A new trial has found that convalescent plasma therapy is a safe treatment option for patients with severe COVID-19 symptoms, say researchers as globally the coronavirus infection has affected over 6 lakh people and at least half of them have succumbed to the pandemic.

For the findings, published in The American Journal of Pathology, researchers from the Houston Methodist Hospital in the US, began clinical trials to transfuse plasma from recovered COVID-19 patients into critically ill patients on March 28.