P832: CLINICAL OUTCOMES AND IMMUNE RESPONSES TO SARS-COV-2 VACCINATION IN PATIENTS WITH SEVERE APLASTIC ANEMIA - R. Rajput; X. Ma; K. L. Boswell; M. Gaudinski; E. M. Groarke; J. Lotter; O. Rios; I. Darden; C. O. Wu; R. A. Koup; N. S. Young; B. Patel (HemaSphere, 2022)