Treatment characteristics
| Aciclovir | VZIG | |||
| Number | % | Number | % | |
| PEP treatment | 87* | 82.9 | 18 | 17.1 |
| Treatment characteristics | ||||
| Median timing of PEP treatment initiation | 6 days | 1.5 days | ||
| Already on treatment | 2 | 2.3 | 0 | 0.0 |
| Before 7 days | 39 | 44.8 | 16 | 88.9 |
| On Day 7 | 40 | 46.0 | 1 | 5.6 |
| After 7 days | 6 | 6.9 | 1 | 5.6 |
| Median length of treatment | 7 days | Single dose | ||
| Breakthrough infection | ||||
| Yes | 5 | 5.7 | 2 | 11.1 |
| No | 82 | 94.3 | 16 | 88.9 |
| Severity of infection | ||||
| Mild | 4 | 4.6 | 1 | 5.6 |
| Moderate | 1 | 1.1 | 1 | 5.6 |
| Severe | 0 | 0.0 | 0 | 0.0 |
PEP, postexposure prophylaxis; VZIG, varicella zoster immunoglobulin.