9. Known to be positive for human immunodeficiency virus antigen/antibody (HIV antigen/antibody), hepatitis B virus surface antigen (HBs antigen), hepatitis B virus surface antibody (HBs antibody), hepatitis B core virus antibody (HBc antibody), hepatitis B virus (HBV) DNA, hepatitis C virus antibody (HCV antibody), human T cell lymphotropic virus type 1 antibody (HTVL-1 antibody), or syphilis serology test positive at screening.