Effectiveness of 23-Valent Pneumococcal Polysaccharide Vaccine against Invasive Pneumococcal Disease in Adults, Japan, 2013–2017
Reiko Shimbashi, Motoi Suzuki
, Bin Chang, Hiroshi Watanabe, Yoshinari Tanabe, Koji Kuronuma, Kengo Oshima, Takaya Maruyama, Hiroaki Takeda, Kei Kasahara, Jiro Fujita, Junichiro Nishi, Tetsuya Kubota, Keiko Tanaka-Taya, Tamano Matsui, Tomimasa Sunagawa, Kazunori Oishi, and Adult IPD Study Group
Author affiliations: National Institute of Infectious Diseases, Tokyo, Japan (R. Shimbashi, M. Suzuki, B. Chang, K. Tanaka-Taya, T. Matsui, T. Sunagawa, K. Oishi); Tohoku University Graduate School of Medicine, Miyagi, Japan (R. Shimbashi, M. Suzuki, K. Oshima); Kurume University School of Medicine, Fukuoka, Japan (H. Watanabe); Niigata Prefectural Shibata Hospital, Niigata, Japan (Y. Tanabe); Sapporo Medical University School of Medicine, Hokkaido, Japan (K. Kuronuma); National Hospital Organization Mie National Hospital, Mie, Japan (T. Maruyama); Yamagata Saisei Hospital, Yamagata, Japan (H. Takeda); Nara Medical University, Nara, Japan (K. Kasahara); Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan (J. Fujita); Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan (J. Nishi); Kochi Medical School, Kochi University, Kochi, Japan (T. Kubota); Toyama Institute of Health, Toyama, Japan (K. Oishi)
Figure. Percentage of vaccine-covered serotypes among pneumococcal isolates from 1,108 invasive pneumococcal disease patients >20 years of age, stratified by year and age group, Japan, 2013–2017. NVT, non–vaccine type; PCV7, 7-valent pneumococcal conjugate vaccine; PCV13, 13-valent pneumococcal conjugate vaccine; PPSV23, 23-valent pneumococcal polysaccharide vaccine.
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