Triplex Vaccine in Preventing CMV Infection in Patients Undergoing Hematopoietic Stem Cell Transplantation

Inclusion Criteria: * All subjects must have the ability to understand and the willingness to sign a written informed consent * Participant must be willing to comply with study and/or follow-up procedures, including willingness to be followed for one year post-HCT * Planned peripheral blood stem cell (PBSC) or bone marrow (BM) HCT for the treatment of the following hematologic malignancies: * Lymphoma (Hodgkin and non-Hodgkin) * Myelodysplastic syndrome * Acute lymphoblastic leukemia in first or second remission (for acute lymphoblastic leukemia/lymphoblastic lymphoma, the disease status must be in hematologic remission by bone marrow and peripheral blood. Persistent lymphadenopathy on computed tomography \[CT\] or CT/positron emission tomography \[PET\] scan without progression is allowed.) * Acute myeloid leukemia in first or second remission * Chronic myelogenous leukemia in first chronic or accelerated phase, or in second chronic phase * Other hematologic malignancies judged appropriate by the clinical principal investigators (PIs), including chronic lymphocytic leukemia, myeloproliferative disorders and myelofibrosis. Patients with multiple myeloma and those with non-malignant disease such as aplastic anemia are excluded * Adult cases of multiple myeloma (MM) are excluded as HCT is not standard of care for MM, and is only performed in very advanced cases with an associated high risk of relapse and NRM. Adults with aplastic anemia are excluded because t…