Please assess the completion status of the following clinical trial:

Trial Title: Impact of Systematic Infants Vaccination Against Rotavirus on Gastroenteritis Hospitalization: a Prospective Study in Brest District, France.

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* infants aged 6 to 12 weeks~* born in Brest District, France~* born between Feb 01, 2007 and Nov 19, 2009~Exclusion Criteria:~* contraindication to rotavirus vaccine

- Gender: ALL
- Minimum Age: 6 Weeks
- Maximum Age: 12 Weeks
- Healthy Volunteers: f

Study Arms:
- 1 (Type: OTHER): Cohort of vaccinated infants against rotavirus

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