The Effect of Convalescent Plasma Therapy on Patients with 19-COVID

INTERVENTION: Intervention 1: Intervention group: Patients in the intervention group, in addition to routine treatment, will receive convalescent Plasma extracted from improved patients from 19‐COVID in the amount of 500 ml over a period of 4 hours. Intervention 2: Control group: They only receive routine treatment. CONDITION: covid 19. ; COVID‐19 U07.1 PRIMARY OUTCOME: Reduction in all causes mortality. Timepoint: At the time of discharge of patients. Method of measurement: Patient documents. SECONDARY OUTCOME: Reduction of hospital stay. Timepoint: At the time of discharge of patients. Method of measurement: Patient documents. INCLUSION CRITERIA: Definitive diagnosis of Covid19 based on PCR Blood oxygen saturation less than 90% No recovery within 48 hours of routine treatment