RELATED: Vacationers, migrants drive Italy's surge in COVID-19 casesOn the eve of the Republican National Convention, Trump was set to issue the emergency order — it would make it easier for some patients to obtain the treatment — in a news conference Sunday evening, according to White House officials.The blood plasma, taken from patients who have recovered from the coronavirus and rich in antibodies, may provide benefits to those battling with the disease.
But the evidence has been inconclusive as to how it works or how best to administer it.Many scientists and physicians believe that convalescent plasma might provide some benefit, but it is far from a breakthrough.