P1569: COVID19 AND ITS IMPACT ON HEMATO-ONCOLOGICAL PATIENTS. DIFFERENCES IN OUTCOMES IN RELATION TO OMICRON CIRCULATION AND VACCINATION STATUS?. (23rd June 2022) - Addiego, A.; Prado, A. I.; Moraes, V.; Cano, P.; Gervaz, I.; Perez, L.; De Giuda, R.; Flores, A.; Riva, E.; Ferrando, M.; Grille, S.; Borelli, G.; et al.