CD40LG and B-cell chronic lymphocytic leukemia: According to the disease progression/treatment and IGHV mutational status, among the five most frequent mAgs there was the presence of IgM against hMPV.16 and IgG against EV and parvovirus (PV) regardless of the analyzed subset (except for the CLL-TFT group, in which hMPV.16 and EV were not detected) (Supplementary Table S9).