Please assess the completion status of the following clinical trial:

Trial Title: Immunogenicity, Efficacy and Safety of QazCovid-in® COVID-19 Vaccine

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~Availability of signed and dated informed consent of the volunteer to participate in the study.~Healthy male and female volunteers aged 18 and above. Ability and voluntary desire to independently keep records in the Self-Observation Diary, as well as to carry out all the repeated visits provided for in the study for control medical observation.~The voluntary desire of females to use methods of reliable contraception throughout the entire period of their participation in the study.~Negative results for IgM and IgG antibodies to SARS-CoV-2. Absence of COVID-19 diagnosis in history. Absence in the last 14 days of close contact with persons suspected of being infected with SARS-CoV-2, or persons whose diagnosis of COVID-19 has been confirmed with laboratory.~Exclusion Criteria:~Aggravated allergic history, drug intolerance, including hypersensitivity to any of the components of the study drug, as well as a history of serious adverse events during vaccine administration (such as allergic reactions, respiratory failure, angioedema, abdominal pain).~Acute illness with a fever (body temperature ≥37.1 ° C) at the time of screening.~History of chronic alcohol abuse and/or drug use. Positive results for antibodies IgM, IgG to SARS-CoV-2 Women with a positive urine pregnancy test. Simultaneous treatment with immunosuppressive drugs, incl. corticosteroids (2 weeks) 4 weeks prior to study drug administration.~Acute or chronic clinically significant lesions of the lungs, cardiovascular system, gastrointestinal tract, liver, blood system, skin, endocrine, neurological and psychiatric diseases or impaired renal function (asthma, diabetes, thyroid disease, arrhythmia, heart attack myocardium, severe hypertension not controlled by drugs, etc.), identified based on the data of the medical history, physical examination, which, according to the researcher, may affect the study result.~History of platelet disorder or other blood clotting disorders that may cause contraindications to intramuscular administration.~History of leukemia or neoplasm. Persons with autoimmune diseases. A history of Guillain-Barré syndrome or other neuroimmunological diseases. Subjects who received antiviral drugs, immunoglobulins or blood transfusions or any other investigational drug within 4 weeks prior to study drug administration; Subjects who received anti-inflammatory drugs 2 days prior to study drug administration; Participation in any other clinical research within the last 6 months. Subjects with regard to whom there is a concern that they will not comply with the requirements of the study, or persons with severe physical or mental disabilities that may affect the completion of the study.~Voluntary refusal to study. Vulnerable research subjects.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 100 Years
- Healthy Volunteers: t

Study Arms:
- Phase III Adult-vaccine (A Sample, blind study) (Type: ACTIVE_COMPARATOR): Group 1 (phase III): 2400 volunteers from 18 years old and elder who will be the QazCovid-in® twice spaced 21 days apart, intramuscularly, at a dose of 0.5 ml
- Phase III Adult-Placebo (A Sample, blind study) (Type: PLACEBO_COMPARATOR): Group 1 (phase III): 600 volunteers from 18 years old and elder who will be the Placebo twice spaced 21 days apart, intramuscularly, at a dose of 0.5 ml

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

Answer: outcome: complete