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Volume 26, Number 10—October 2020
Research

Effectiveness of 23-Valent Pneumococcal Polysaccharide Vaccine against Invasive Pneumococcal Disease in Adults, Japan, 2013–2017

Reiko Shimbashi, Motoi SuzukiComments to Author , 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)

Main Article

Table 2

Overall and serotype-specific effectiveness of PPSV23 against invasive pneumococcal disease in adults >20 years of age, Japan, 2013–2017*

Serotype No. cases No. controls Crude VE, % (95% CI) Adjusted VE,† % (95% CI)
PPSV23 serotype 746 375 46.0 (17.8 to 64.5) 42.2 (13.4 to 61.4)
PCV13, non–6A serotype 392 375 40.6 (3.8 to 63.3) 35.3 (−8.4 to 61.5)
PPSV23, non–PCV13 serotype 354 375 51.7 (18.7 to 71.3) 44.5 (9.6 to 65.9)
Serotype 3 152 375 43.1 (−11.9 to 71.1) 34.1 (−34.4 to 67.7)
Serotype 19A 111 375 72.7 (29.1 to 89.5) 70.3 (13.3 to 89.8)
Serotype 12F 99 375 80.2 (34.4 to 94.0) 70.8 (1.0 to 91.4)
Serotype 22F 83 375 34.1 (−47.1 to 70.5) 22.7 (−88.8 to 68.4)
Serotype 10A 80 375 75.7 (19.2 to 92.7) 73.6 (5.9 to 92.6)
Serotype 11A/E 41 375 30.7 (−106.7 to 76.8) 20.7 (−145.4 to 74.4)
Serotype 7F 30 375 31.5 (−138.6 to 80.3) 22.4 (−176.8 to 78.2)

*BMI, body mass index; PCV13, 13-valent pneumococcal conjugate vaccine; PPSV23, 23-valent pneumococcal polysaccharide vaccine; VE, vaccine effectiveness.
†Adjusted for sex, age, prefecture, year, season, BMI group, underlying conditions, and smoking history with clustering by public health center.

Main Article

Page created: August 05, 2020
Page updated: September 17, 2020
Page reviewed: September 17, 2020
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