CD40LG and measles: Screening and day 225 samples were tested for: HIV 1&2 antibody, p24 antigen (negative); VZV (IgM negative, IgG positive, no rise in titer); B. burgdorferi (IgG and IgM negative); measles, mumps (IgG positive, no rise in titer); HSV 1 and 2 (IgG negative); CMV (IgG and IgM negative); ANA, ANCA (negative).