PB2270: CLEARANCE OF PERSISTENT SARS-COV2 INFECTION WITH ANTIBODY CONTAINING PLASMA IN LEUKEMIA AND LYMPHOMA PATIENTS. (23rd June 2022) - Janssen, M.; Leo, A.; Wolf, C.; Bartenschlager, R.; Schmitt, A.; Haberbosch, I.; Brandt, J.; Sauer, S.; Zeier, M.; Meuer, S.; Schmitt, M.; Dreger, P.; et al.