Please assess the completion status of the following clinical trial:

Trial Title: Effect of Prevnar 13 on Ear Infections in Children

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

Eligibility Criteria:
Inclusion Criteria:~* Subject has received full (3-dose) infant series of Prevnar 13~Exclusion Criteria:~* Prior vaccination with any 7vPnC.~* Prior vaccination with 23-valent pneumococcal polysaccharide vaccine (23vPS).~* Any major illness/condition that, in the investigator's judgment, will substantially increase the risk associated with the subject's participation in the study.

- Gender: ALL
- Minimum Age: 6 Months
- Maximum Age: 30 Months
- Healthy Volunteers: f

Study Arms:
- 1 (Type: None): None

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