SARS-CoV-2 Vaccine (GEO-CM04S1) Versus mRNA SARS-COV-2 Vaccine in Patients With Blood Cancer

Inclusion Criteria: * Documented informed consent of the participant * Age \>=18 years * Eastern Cooperative Oncology Group (ECOG) =\<1 * Allogeneic or autologous hematopoietic cell transplant (HCT), cellular therapy (chimeric antigen receptor \[CAR\] T-cell) recipients who are at \>= 3 months of infusion date of respective regimen * Platelets \>= 50,000/mm\^3 (to be performed within 30 days prior to day 0 of protocol therapy unless otherwise stated) * White blood cells (WBCs) \>= 1000/mm\^3 (to be performed within 30 days prior to day 0 of protocol therapy unless otherwise stated) * Total bilirubin \< 1.5 X upper limit of normal (ULN) (to be performed within 30 days prior to day 0 of protocol therapy unless otherwise stated) * Aspartate aminotransferase (AST) \< 2.5 X ULN (to be performed within 30 days prior to day 0 of protocol therapy unless otherwise stated) * Alanine aminotransferase (ALT) \< 2.5 X ULN (to be performed within 30 days prior to day 0 of protocol therapy unless otherwise stated) * Creatinine \< 1.5 X ULN (to be performed within 30 days prior to day 0 of protocol therapy unless otherwise stated) * Negative COVID-19 PCR test * Women of childbearing potential (WOCBP): negative urine or serum pregnancy test (to be performed within 30 days prior to day 0 of protocol therapy unless otherwise stated). If the urine pregnancy test is inconclusive a serum pregnancy test will be required * Agreement by females and males of childbearing potential\* to use an effectiv…