Summary of the Virological Examinations
| Before BMT | After BMT | |||
| HHV-6 Infection | ||||
| Positive | Negative | |||
| Status of Virus Genome in PBMC | No. of Cases | With Viremia | Without Viremia | |
| D: Positive | 4 | 3 | 0 | 1 |
| R: Negative | ||||
| D: Negative | 9 | 3 | 4 | 2 |
| R: Positive | ||||
| D: Positive | 6 | 4 | 2 | 0 |
| R: Positive | ||||
| D: Negative | 11 | 0 | 1 | 10 |
| R: Negative | ||||
| Before BMT | After BMT | |||
| HHV-6 Infection | ||||
| Positive | Negative | |||
| Status of Virus Genome in PBMC | No. of Cases | With Viremia | Without Viremia | |
| D: Positive | 4 | 3 | 0 | 1 |
| R: Negative | ||||
| D: Negative | 9 | 3 | 4 | 2 |
| R: Positive | ||||
| D: Positive | 6 | 4 | 2 | 0 |
| R: Positive | ||||
| D: Negative | 11 | 0 | 1 | 10 |
| R: Negative | ||||
Abbreviations: D, donor; R, recipient.