- Conditions
- Vaccination Refusal, COVID-19
- Interventions
- Short Message Service (SMS) + Website Link Strategy, Phone Call with Peer Strategy
- Other
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- Not listed
- Enrollment
- 262 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 8
- States / cities
- Hazelwood, Missouri • Jennings, Missouri • Saint Ann, Missouri + 2 more
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