Table 1

Frequency of detection of HHV-7 and HHV-6 viral antigens by IHC and of the viral DNAs by PCR in Kaposi sarcoma lesions

Type of Kaposi sarcomaNumber of patientsHHV-7 HHV-6B*HHV-7 + HHV-6B/ HHV-7
PCRIHCPCRIHC
AIDS326 (19) 9 (28) 10 (31) 12 (37) 3/6
Classical71 (14) 1 (14) 2 (29)2 (29)1/1
  • Percent of positive samples is indicated by parentheses. 

  • * Data relative to 26 samples from ref. 37. Previous and current HHV-6 data are given here cumulatively for comparison purpose. 

  • Fraction of dual HHV-6 + HHV-7 positive samples relative to the HHV-7 PCR-positive samples.