Convalescent plasma therapy is when the liquid portion of blood is taken from a recovered coronavirus patient
It is transferred into a sick patient in hopes they will develop the antibodies needed to fight off the infection
On Tuesday, the NIH said it was halting a trial looking at convalescent blood plasma in treating patients with mild-to-moderate coronavirus
An independent data monitoring board found no difference in the group of patients who received the treatment of a placebo
It comes less than two months after an international trial of convalescent plasma was stopped after similar findings