The effect of Epstein–Barr virus viremia on the progression to severe COVID-19 oleh Jae Hyoung Im, MD, Chung Hyun Nahm, PhD, Young Soo Je, MD, Jin-Soo Lee, PhD, Ji Hyeon Baek, MD, Hea Yoon Kwon, MD, Moon-Hyun Chung, PhD, Ji-Hun Jang, MD, Jung Soo Kim, MD, Jun Hyeok Lim, MD, Mi Hwa Park, MD, Pavan Kumar.