Table 1: Frequency of Active HHV-6, HHV-7 and B19 Infection in ME/CFS Patients and Practically Health Persons.

Viral infectionPlasma samples
( )
Practically health persons
( )

Active viral infection 70/10812/90
 Single HHV-6 2/1080/90
 Single HHV-728/10810/90
 Single B1911/1082/90
 Dual HHV-6 + HHV-710/1080/90
 Dual HHV-7 + B1915/1080/90
 Triple HHV-6 + HHV-7 + B19 4/1080/90
Latent viral infection 32/10853/90
Without viral infection 6/10825/90