Please assess the completion status of the following clinical trial:

Trial Title: Echinacea Junior vs Vitamin C in Children 4-12 Years Old

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

Eligibility Criteria:
Inclusion Criteria:~* 4-12 years~* written informed consent by parents and optionally by child~* daily Access to computer/email~* german language skills~Exclusion Criteria:~* 13 years or older, younger than 4 years~* participation in a clinical study during past 30 days~* intake of antimicrobial, antiviral, immunosuppressive substances, salicylic medicaments (like Aspirin)~* surgical intervention 3 months Prior to inclusion or planned intervention during the observation period~* known Diabetes mellitus~* known and treated atopy or Asthma~* cystic fibrosis, bronchopulmonary dysplasia, chronic obstructive pulmonary disease (COPD)~* diseases of the immunosystem (like autoimmune disorders, degenerative illnesses (like AIDS or leucosis))~* Metabolic or Resorption disorders~* Liver or kidney diseases~* Serious health Problems (e.g. neurological Problems)~* known allergies against compositae (e.g. camomile or dandelion) or any of the substances of the investigational product

- Gender: ALL
- Minimum Age: 4 Years
- Maximum Age: 12 Years
- Healthy Volunteers: t

Study Arms:
- Echinaforce Junior Tablets (Type: EXPERIMENTAL): Hydroalcoholic extract of Echinacea purpurea herb and radix
- Vitamin C Tablets (Type: ACTIVE_COMPARATOR): synthetically produced ascorbic acid

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