Table 1. Characteristics of the 12 subjects on enrollment.
| Characteristic | |
|---|---|
| Age in years—median (mean, range) | 28.4 (33.7, 20–64) |
| Women—no. (%) | 8 (75) |
| History of infectious mononucleosis (%) | 2 (17)a |
| EBV infection status defined by profile of VCA IgG, VCA IgM, EBNA-1 IgG antibodies | |
| Past (positive for VCA and EBNA-1 IgG only) | 8 |
| Recurrent (positive for all three antibodies) | 3 |
| Naive (negative for all three antibodies) | 1 |
Abbreviations: EBV, Epstein–Barr virus; EBNA-1, EBV nuclear antigen 1; VCA, viral capsid antigen.
One of the two cases was laboratory confirmed.