Volume 26, Number 10—October 2020
Research
Effectiveness of 23-Valent Pneumococcal Polysaccharide Vaccine against Invasive Pneumococcal Disease in Adults, Japan, 2013–2017
Figure

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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