“…HCMV ppUL83 appears to be one of the most immunogenic structural antigens of HCMV (Schmidt et al, 1980;Pereira et al, 1982aPereira et al, , 1983Lery et al, 1982;Cremer et al, 1985;Landini et al, 1985Landini et al, , 1986Jahn et al, 1987b). The ppUL83-specific antibody response is very high during the acute phase of infection, as well as during early convalescence, but decreases thereafter (Pereira et al, 1982b(Pereira et al, , 1983Forman et al, 1985;Landini et al, 1985Landini et al, , 1986Jahn et al, 1987b;Porath et al, 1987;Gold et al, 1988;Landini et al, 1988b). A study aimed at analysing the appearance of serum IgG and IgM against HCMV structural proteins in sequential sera from renal transplant recipients during the first 1 to 3 months of primary infection has shown that very often the first antibodies to appear are specific for ppUL83 .…”