Overview Exchange Transfusion Versus Plasma From Convalescent Patients With Methylene Blue in Patients With COVID-19 Status: Recruiting Trial end date: 2020-09-01 Target enrollment: Participant gender: Summary The aim of this project is to introduce way for treatment of patients with severe COVID-19 disease with respiratory complications. Phase: Phase 2 Details Lead Sponsor: Ain Shams UniversityTreatments: Methylene Blue