Case 1: viral kinetics, antiviral prophylaxis, treatment, and relevant clinical data of a 55-year-old woman with anaplastic large cell lymphoma (ALCL) undergoing matched-related reduced intensity peripheral blood stem cell transplantation with CMV reactivation. HLA, human leukocyte antigens; PBC, peripheral blood cell; TBI, total body irradiation; VZV, varicella-zoster virus; y/o, years old.