Impact of Social Media on HPV Vaccine Knowledge and Attitudes Among Adolescents and Young Adults: A Systematic Literature Review.
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Objective: Human Papillomavirus (HPV), a leading cause of sexually transmitted infections (STIs) and various cancers, including cervical cancer, remains prevalent in the US. Despite the HPV vaccine's effectiveness in preventing persistent HPV infections, vaccination rates remain low. Given the significant role of social media in reaching younger populations, this systematic review examines its influence on adolescents' and young adults (AYAs) awareness, knowledge, and attitudes toward HPV vaccination. Methods: Following the PRISMA guidelines, we conducted a comprehensive search across six electronic databases (ERIC, APA PsycInfo, Child Development & Adolescent Studies, CINAHL Ultimate, MEDLINE Ultimate, and PubMed) from 2011 to 2024. Empirical studies that examined the association between social media use and HPV were included. Data extraction captured the study's purpose, design, population, outcome measures, and key results. Results: Seven studies satisfied the review's inclusion criteria. Our findings reveal mixed effects of social media on AYAs' knowledge and vaccination intentions. Some studies indicated positive associations between social media interventions and increased vaccination knowledge and intentions, while others found no significant impact. Additionally, exposure to anti-vaccine content was linked to lower vaccination intentions, especially among individuals with lower knowledge who were more vulnerable to misinformation. Interventions incorporating interactive content and loss-framed messaging were more effective in increasing vaccine intentions. Conclusions: This review underscores the potential of social media to influence AYAs knowledge and perceptions regarding HPV vaccination, while also highlighting the challenges posed by misinformation. Further research is needed to optimize social media interventions and combat misinformation to improve vaccination uptake.