- Conditions
- Vaccination Hesitancy, Human Papillomavirus Vaccination, Vaccine Refusal
- Interventions
- Argument inoculation messages, Simple forewarning message
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 523 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
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- Conditions
- HIV, HIV Infections
- Interventions
- 1-sided messages, 2-sided messages
- Behavioral
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 16 Years to 19 Years
- Enrollment
- 120 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010
- U.S. locations
- 4
- States / cities
- San Francisco, California • New Orleans, Louisiana • Baltimore, Maryland + 1 more