Clinical Trial Subgroup Analyses to Investigate Clinical and Immunological Outcomes of Convalescent Plasma Therapy in Severe COVID-19 oleh Deblina Raychaudhuri, PhD, Purbita Bandopadhyay, MS, Ranit D’Rozario, MS, Jafar Sarif, MS, Yogiraj Ray, MBBS, MD, DM, Shekhar Ranjan Paul, MBBS, DTCD, Praveen Singh, MS, Kausik Chaudhuri, MBBS, MD, Ritwik Bhaduri, MS, Rajesh Pandey, PhD, Prasun Bhattacharya, MBBS, MD, Shantanu Sengupta, PhD, Shilpak Chatterjee, PhD, Dipyaman Ganguly, MBBS, PhD