Please assess the completion status of the following clinical trial:

Trial Title: A Blind, Randomized and Controlled Study of Live Attenuated Varicella Vaccines

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

Eligibility Criteria:
Inclusion Criteria:~* Healthy volunteer between 1 - 12 years old;~* Proven legal identity;~* Guardian(s) of the volunteer and/or volunteers themselves should be capable of understanding the written consent form, and such form should be signed before the volunteer being included into this study;~Exclusion Criteria:~* Prior vaccination with varicella vaccine or with history of varicella zoster virus (VZV) infection;~* Axillaty temperature \> 37.0 °C;~* History of allergy to any vaccine or vaccine ingredient, or serious adverse reaction(s) to vaccination, such as urticaria, difficulty in breathing, angioneurotic edema, abdominal pain, etc;~* History of epilepsy, seizures or convulsions, or a family history of mental illness, autoimmune disease or immunodeficiency;~* Severe malnutrition, congenital malformation, developmental disorders, or serious chronic diseases;~* Acute disease or acute stage of chronic disease within 7 days prior to study entry;~* Receipt of any of the following products:~  1. Any subunit vaccine or inactivated vaccine within 7 days prior to study entry;~ 2. Any live attenuated vaccine within 1 month prior to study entry;~ 3. Any blood product, immunosuppressant, hormone, or other investigational medicine(s) within 30 days prior to study entry;~* Any significant abnormity of heart, lung, skin, or pharynx;~* Any other factor that suggesting the volunteer is unsuitable for this study based on the opinions of investigators;

- Gender: ALL
- Minimum Age: 1 Year
- Maximum Age: 12 Years
- Healthy Volunteers: t

Study Arms:
- Experimental Group (Type: EXPERIMENTAL): * Single intramuscular injection of the investigational vaccine (0.5 ml) on Day 0;~* Intervention: investigational live attenuated varicella vaccine;
- Control Group (Type: SHAM_COMPARATOR): * Single intramuscular injection of the diluent of lyophilized vaccine (0.5 ml) on Day 0;~* Intervention: diluent of lyophilized vaccine;

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