Human Papillomavirus Vaccination Policies and Discourse on Social Media

Were the 2 national human papillomavirus (HPV) vaccination policies in China associated with changes in public responses and engagement?In this cross-sectional study using 3-year interrupted time-series analysis of 353 530 online posts (2021-2024), discussions on vaccine accessibility decreased substantially after policy implementation, while conversations about health awareness and gender equity issues increased.Results of this study suggest that national HPV vaccination policies in China significantly influenced public perceptions and discussions, supporting efforts to achieve equitable vaccine uptake and cervical cancer elimination.

Corresponding Author: Weiyan Jian, PhD, No. 38 Xueyuan Rd, Haidian District, Beijing 100191, China (jianweiyan@bjmu.edu.cn).

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