Please assess the completion status of the following clinical trial:

Trial Title: Antibody Production Following H1N1 Influenza Vaccination in Organ Transplant Patients

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

Eligibility Criteria:
Inclusion Criteria:~Cohort number 1:Organ transplant patients who were vaccinated and serum sample drawn at baseline.~Cohort number 2: Staff members who were vaccinated and serum sample drawn at baseline.~Exclusion Criteria:~Cohort number 1: Organ transplant patients who were vaccinated and no serum sample drawn at baseline.~Cohort number 2: Staff members who were vaccinated and no serum sample drawn at baseline.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- organ transplant patients (Type: None): None
- healthy controls (Type: None): None

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