For IHCof EMB specimens wesimult an eouslyusedm Abdirected againstthe101kDaproteinofHHV-6Bandtheglycoprotein60/110 of HHV-6 A/B and revealed the presence of HHV-6 antigens in 31 (73.8%) of 42 analyzed HHV-6 B PCR-positive patients in the myocardium (Table 3). The HHV-6 antigen was primarily localized in distinct interstitial cells (Fig. 1) which were identified as lymphocytes or macrophages.