In this regard, convalescent plasma (CP) therapy has been used with relative efficacy in the treatment of SARS [11] and MERS [12]—because of the similarity of virological and clinical features between SARS, MERS, and COVID-19 [13], adding the absence of a fully effective drug [4], CP therapy may be a treatment with potential against COVID-19 [4]. The gene discussed is CP; the disease is COVID-19.