Kousuke Iwai-Saito, Koryu Sato, Masahiro Fujii, Katsunori Kondo. Pneumococcal vaccination, but not influenza vaccination, is negatively associated with incident dementia among Japanese older adults: The JAGES 2013-2022 prospective cohort study. Brain, Behavior, and Immunity. 2024
Yuko Inoue, Upul Cooray, Miho Ishimaru, Kousuke Saito, Kenji Takeuchi, Katsunori Kondo, Jun Aida. Oral self-care, pneumococcal vaccination, and pneumonia among Japanese older people, assessed with machine learning. The journals of gerontology. Series A, Biological sciences and medical sciences. 2023
Kousuke Iwai-Saito, Koryu Sato, Jun Aida, Katsunori Kondo. Association of frailty with influenza and hospitalization due to influenza among independent older adults: a longitudinal study of Japan Gerontological Evaluation Study (JAGES). BMC Geriatrics. 2023. 23. 1. 249-249
Iwai-Saito K, Koryu Sato, Kondo K. Associations of influenza and pneumococcal vaccinations with burdens of older family caregivers: The Japan Gerontological Evaluation study (JAGES) cross-sectional study. Vaccine. 2022. 41. 2. 444-451
Kousuke Iwai-Saito, Koryu Sato, Katsunori Kondo. Association of functional competencies with vaccination among older adults: a JAGES cross-sectional study. Scientific Reports. 2022. 12. 1