Seventy patients (60%) received Pfizer, 36 patients (31%) Moderna, and 10 patients (9%) J&J. Median time from vaccination completion to Spike IgG was 40 days. It may be important to vaccinate all CAR-T therapy patients prior to lymphodepleting chemotherapy and consider treatment interruption for those patients on anti-CD20 therapy when feasible. Keywords: COVID-19 vaccination; minorities; hematologic malignancies EN COVID-19 vaccination minorities hematologic malignancies 2484 2488 5 10/12/22 20221001 NES 221001 It is well established that COVID-19 carries a higher risk of morbidity and mortality in patients with hematologic malignancies [[1]]. [Extracted from the article]