The worry is that we still don’t know exactly what internal defences are needed to ward off coronavirus illness. Viral mutations could complicate matters, too.
So long as we are uncertain of what’s going on at the microscopic level, plasma therapy is just another shot in the dark Maharashtra, it appears, plans to continue using plasma therapy for covid-19 patients despite the death of the state’s first patient who received it.
Other states, like Delhi, also have hopes pinned on this treatment. There have been cases of recovery that involved its use, but it is premature to conclude these were on account of this form of therapy.