Respiratory investigation · 2026
Association between respiratory syncytial virus vaccination and medical information sources among Japanese older adults in the post-COVID-19 era: a JACSIS 2024 cross-sectional study.
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Tsutsumi Masaya, Yamada Kazuhiro, Asai Kazuhisa, Ueno Kentaro, Oshima Yuri, Ueda Takahiro, Hirai Kaho, Toyokura Erika, Furukawa Yuichiro, Miyamoto Atsushi, Watanabe Tetsuya, Tabuchi Takahiro, Kawaguchi Tomoya
Аннотация
BACKGROUND: Respiratory syncytial virus (RSV) causes substantial morbidity among older adults; however, RSV vaccination remains limited in Japan. Identifying effective information channels to promote RSV vaccination is particularly important in the post-COVID-19 era.
METHODS: We conducted a nationwide, cross-sectional online survey in Japan among adults aged ≥60 years. The analysis examined associations between RSV vaccination status and medical information sources, knowledge regarding RSV infection and vaccination, and prior vaccination history.
RESULTS: Among the 8300 participants, RSV vaccination uptake was 4.2%. Individuals who received the RSV vaccine more frequently reported obtaining information from interpersonal or institution-based sources, including healthcare professionals (adjusted odds ratio [aOR]: 1.47, 95% confidence interval [CI]: 1.13-1.92) and workplaces or schools (aOR: 1.40, 95% CI: 1.05-1.87), as well as from media-based sources such as academic websites (aOR: 1.52, 95% CI: 1.05-2.20), LINE (aOR: 1.73, 95% CI: 1.21-2.48), and magazine (aOR: 1.62, 95% CI: 1.12-2.34). RSV vaccination was positively associated with having the knowledge that older adults are eligible for the RSV vaccination (aOR: 4.79, 95% CI: 3.45-6.67), as well as with prior vaccination against SARS-CoV-2 (aOR: 1.87, 95% CI: 1.38-2.53), influenza (aOR: 1.57, 95% CI: 1.21-2.03), and pneumococcal disease (aOR: 1.83, 95% CI: 1.44-2.33).
CONCLUSIONS: RSV vaccination in older adults in Japan is associated with specific interpersonal and media-based sources of information. Recommendations from healthcare professionals may support individualized vaccination promotion, particularly among individuals with a prior vaccination history, whereas push-based information channels such as LINE may be useful for population-level dissemination of RSV-related knowledge.
METHODS: We conducted a nationwide, cross-sectional online survey in Japan among adults aged ≥60 years. The analysis examined associations between RSV vaccination status and medical information sources, knowledge regarding RSV infection and vaccination, and prior vaccination history.
RESULTS: Among the 8300 participants, RSV vaccination uptake was 4.2%. Individuals who received the RSV vaccine more frequently reported obtaining information from interpersonal or institution-based sources, including healthcare professionals (adjusted odds ratio [aOR]: 1.47, 95% confidence interval [CI]: 1.13-1.92) and workplaces or schools (aOR: 1.40, 95% CI: 1.05-1.87), as well as from media-based sources such as academic websites (aOR: 1.52, 95% CI: 1.05-2.20), LINE (aOR: 1.73, 95% CI: 1.21-2.48), and magazine (aOR: 1.62, 95% CI: 1.12-2.34). RSV vaccination was positively associated with having the knowledge that older adults are eligible for the RSV vaccination (aOR: 4.79, 95% CI: 3.45-6.67), as well as with prior vaccination against SARS-CoV-2 (aOR: 1.87, 95% CI: 1.38-2.53), influenza (aOR: 1.57, 95% CI: 1.21-2.03), and pneumococcal disease (aOR: 1.83, 95% CI: 1.44-2.33).
CONCLUSIONS: RSV vaccination in older adults in Japan is associated with specific interpersonal and media-based sources of information. Recommendations from healthcare professionals may support individualized vaccination promotion, particularly among individuals with a prior vaccination history, whereas push-based information channels such as LINE may be useful for population-level dissemination of RSV-related knowledge.