P1009: PREDICTORS OF HOSPITALIZATION AND SEVERE OUTCOMES IN PATIENTS WITH MPN AND COVID-19. (23rd June 2022) - Barbui, T.; Carobbio, A.; Masciulli, A.; Iurlo, A.; Sobas, M. A.; Elli, E. M.; Rumi, E.; De Stefano, V.; Lunghi, F.; Marchetti, M.; Daffini, R.; Gasior Kabat, M.; et al.