has participant quality leukocyte cell number decreased AE 10047942 a leukocyte cell number abnormal AE that has an outcome of reduction in the number of leukocytes, or of nucleated cells of the myeloid or lymphoid lineages, found in blood or other tissue CTCAE: E12232 white blood cell count decreased AE decreased leukocyte cell number AE MP: MP_0000221 According to the Vaccine Adverse Event Reporting System (VAERS), 'leukopenia' is an adverse event that was mentioned in 417 VAERS reports (0.3%) during1991-2001 (Reference: PMID: 12825543). NCIt: C26816 leukocyte cell number abnormal AE AE severity G1 AE severity G2 AE severity G3 AE severity G4