Please assess the completion status of the following clinical trial:

Trial Title: Registry on Salvage Antiviral Treatment for Patients Experiencing ADV and / or CMV Reactivation Post Allogeneic HSCT

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: OTHER
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
1. Written informed consent~2. Physician requested salvage (defined as refractory to first, requirement for second line or greater) treatment for ADV and / or CMV reactivation post allogeneic HSCT.

- Gender: ALL
- Minimum Age: None
- Maximum Age: None
- Healthy Volunteers: f

Based on this trial design, predict the completion outcome and termination type (if applicable).