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Assessing Knowledge, Attitudes, and Practices Towards Herpes Zoster and Vaccination in Japan Using the
Yuki Suzaki1, Shinichi Imafuku2, Jing Chen3
1GSK, Tokyo, Japan.
Objectives:
To assess knowledge, attitudes, and practices (KAP) towards herpes zoster (HZ) and HZ vaccination in Japan.
Methods:
This mixed-methods study was conducted across two phases. In Phase 1, concept elicitation interviews were conducted with the public (N = 24) and physicians (N = 6), and the Capability-Opportunity-Motivation-Behavior model of behavioral change was used to identify themes surrounding KAP. These themes were validated in Phase 2 via self-administered quantitative surveys conducted with a larger group of respondents (public: N = 600; physicians: N = 60).
Results:
Despite high awareness of HZ (92.9%-94.0%) and HZ vaccination (76.0%-80.4%) among the public, knowledge about HZ, HZ vaccination rates (13.1%-32.0%), and intention to vaccinate (12.6%-18.2% among non-HZ-vaccinated respondents) were low. Public respondents were likely to vaccinate against HZ upon physician recommendation (78.7%-84.0%), but physician recommendation was limited by barriers including perceived low patient willingness (51.7%) and vaccine cost (51.7%). Various forms of government support could encourage patient-physician discussions regarding HZ and aid HZ vaccination uptake among the public (30.0%-53.3%).
Conclusion:
These findings may inform public health strategies to overcome barriers to HZ vaccine uptake in Japan.
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