Please assess the completion status of the following clinical trial:

Trial Title: Study of Sputnik V COVID-19 Vaccination in Adults in Kazakhstan

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

Eligibility Criteria:
Inclusion Criteria:~* Participant must be healthy (in the physician's clinical judgment and as confirmed by medical records, and physical examination at screening).~* Willing to give informed consent, and answer short questionnaires on past exposure to COVID-19 and post-vaccination reactogenicity.~* Willing to comply with the requirements of the protocol.~Exclusion Criteria:~* Participant shows signs of an acute illness (excluding minor illnesses such as diarrhea or mild upper respiratory tract infection).~* Participant has a positive laboratory-confirmed test result for SARS-CoV-2 infection at screening.~* Deemed by investigators to be unlikely to complete study protocol.

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

Study Arms:
- Sputnik V Vaccinees (Type: None): Participants (healthy adults aged \>=18) will receive rAd26-S prime at day 0 and rAd5-S boost at day 21.

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