Please assess the completion status of the following clinical trial:

Trial Title: IPV Clinical Trial - The Gambia

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 8.0

Eligibility Criteria:
Inclusion Criteria:~* Nine to ten months of age inclusive~* Receipt of at least three doses of tOPV (excluding a dose given at birth) a minimum of four weeks prior to recruitment date~* Informed consent for trial participation obtained from a parent/guardian (see section 19.1.2 for definition of guardian and section 19.1.3 for details regarding consent procedure)~* Resident in the study area and with no plans to travel outside the study area during the period of subject participation~* Willingness and capacity to comply with the study protocol as judged by a member of the clinical trial team~Exclusion Criteria:~* Use of any Investigational Medicinal Product(IMP) within the 28 days preceding enrolment~* Planned administration of any vaccine outside those defined in the study protocol at anytime during trial participation (for procedure in the event of a national OPV campaign see section 12.5.1.1)~* Previous receipt of a measles, rubella, yellow fever or IPV vaccine~* Bacillus Calmette-Guérin(BCG) vaccination in the month prior to recruitment~* Any suspected or confirmed congenital or acquired state of immune deficiency including but not limited to primary immunodeficiencies including thymus disorders, HIV/AIDS, hematological or lymphoid malignancies (blood tests will not be routinely undertaken with this regard as part of the study)~* Any current immunosuppressive/immunomodulatory medication or treatment including, but not limited to corticosteroids, cyclosporin, azathioprine, cyclophosphamide, methotrexate, radiotherapy, bone marrow transplantation~* Receipt of any immunosuppressive or immunomodulatory medication or treatment within the six months preceding trial enrolment (for corticosteroids this is defined as a dose of prednisolone (or equivalent) of greater than 2mg/kg/day for one week or 1mg/kg/day for one month. The use of inhaled or topical corticosteroids is not an exclusion criteria~* Receipt of pooled human immunoglobulin, other blood product or any monoclonal antibody therapy at any point prior to recruitment or plans to receive such therapy at any point during the trial-~* Any significant congenital defect or significant chronic health problem (e.g. chronic hematological (including severe anemia), renal, gastrointestinal, respiratory, neurological and cardiovascular disorders).~* A history of anaphylactic or anaphylactoid reaction to egg, chicken proteins, neomycin, streptomycin polymyxin B, any previous vaccination or any individual component of one of the vaccines~* Confirmed fructose intolerance~* Severe protein-energy malnutrition (weight-for-age Z-score of less than -3)~* Any clinically suspected or confirmed congenital or acquired clotting or bleeding disorder or any mediation known to significantly interfere with clotting (e.g. hemophilia or current anti-coagulant therapy) (blood tests will not be routinely undertaken with this regard as part of the study)~* Any other condition which, in the opinion of the research clinician or ultimately the PI, is likely to interfere with the assessment of the primary and secondary objectives~* Any significant signs or symptoms of an acute illness or infection including a tympanic temperature \>38.0°C or documented fever \>38°C in the preceding 48 hours

- Gender: ALL
- Minimum Age: 9 Months
- Maximum Age: 10 Months
- Healthy Volunteers: t

Study Arms:
- IPV IM (Visit 1) (Type: EXPERIMENTAL): IM IPV vaccine using syringe and needle pair is given at visit 1 followed by MR vaccine at visit 2 and YF vaccine at visit 3
- IPV IM (Visit 2) (Type: EXPERIMENTAL): MR vaccine at visit 1 followed by IM IPV vaccine using syringe and needle pair at visit 2, then YF vaccine at visit 3
- IPV IM (Device - Visit 2) (Type: EXPERIMENTAL): YF vaccine at visit 1 followed by IPV given IM using a Jet injector device at visit 2 and MR vaccine at visit 3
- IPV IM and MR (Visit1) (Type: EXPERIMENTAL): IM IPV using syringe and needle pair is given alongside MR at visit 1 followed by YF vaccine at visit 2
- IPV IM and YF (Visit 1) (Type: EXPERIMENTAL): IM IPV using syringe and needle pair is given alongside YF vaccine at visit 1 followed by MR at visit 2
- IPV ID (Visit 2) (Type: EXPERIMENTAL): MR and YF vaccines are co-administered at visit 1 followed by ID IPV using syringe and needle pair is given at visit 2
- IPV IM and MR and YF (Visit 1) (Type: EXPERIMENTAL): IM IPV using syringe and needle pair is given alongside YF vaccine and MR vaccine at visit 1
- IPV (ID Device Visit 2) (Type: EXPERIMENTAL): MR vaccine is given at visit 1 followed by IPV vaccine by ID Jet injector device at visit 2 and YF vaccine at visit 3

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

Answer: outcome: complete