===History of Pneumococcal vaccines in Japan===
{|class="wikitable"
|+''Table updated on 25th Aug 2023''
|-
!style="width:4em" rowspan="2"|Year
! !!PPSV23!!PCV7!!PCV13!!PCV15!!PCV20
|}
''Table updated on 25th Aug 2023''
===Efficacy of pneumococcal vaccines===