| App | Application |
| CYOA | Choose-your-own-adventure |
| HPV | Human Papillomavirus |
| MMR | Measles, mumps, and rubella |
| NS | Not specified |
| PRISMA-ScR | Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews |
| RCT | Randomized control trial |
| RQ | Research Question |
| USA | United States |
| VPDs | Vaccine-preventable Diseases |
| VR | Virtual Reality |
| WHO | World Health Organization |
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