Correspondence on "SARS-CoV-2 vaccination in rituximab-treated patients: evidence for impaired humoral but inducible cellular immune response"by Bonelli et al. Issue 10 (2nd August 2021) - Benucci, Maurizio; Damiani, Arianna; Infantino, Maria; Manfredi, Mariangela; Grossi, Valentina; Lari, Barbara; Li Gobbi, Francesca; Sarzi Puttini, Piercarlo