PB2279: REDUCED ABSOLUTE COUNT OF MONOCYTES IN PATIENTS CARRYING HEMATOLOGICAL NEOPLASMS AND SARS-COV2 BREAKTHROUGH INFECTION. (23rd June 2022) - Romano, A.; Conticello, C.; Filetti, S.; Bulla, A.; Chiarenza, A.; Del Fabro, V.; Leotta, S.; Markovic, U.; Motta, G.; Parisi, M.; Stagno, F.; Palumbo, G. A.; et al.