Characteristics of surveillance sites included in meta-analysis (n = 21).

Australia non-Indigenous does not include data from the State of New South Wales.aVaccine schedule = Primary + booster.bProportion of children receiving the full infant dose by 12 months. N/P (not provided), meaning that immunization coverage not provided for year 1 and/or last year of surveillance data provided, although all included datasets were from sites that indicated they reached ≥70% coverage in the post-PCV period.cActive (A), proactive effort to identify all cases in an area; passive (P), reporting of cases by clinicians or laboratories without a systematic approach to capture cases not reported.dNumber of surveillance years included in the IPD analysis for children eNot applicable (N/A), age group not included in meningitis analysis. For some sites, some ≥18 y age categories excluded from meningitis analysis (Table 1; Table S1).fSite, adult age group (n surveillance years). England and Wales: 18–49 y (4); 50–64 y, and ≥65 y (2). The Netherlands: ≥18 y (2). Norway: ≥18 y (2). USA-Navajo: 50–64 y (4).gNot applicable (NA), age group not included in IPD analysis. France and Ireland only included in the meningitis only analysis.ABCs, Active Bacterial Core Surveillance; KPNC, Kaiser Permanente Northern California; NT, Northern Territory; PPV, pneumococcal polysaccharide vaccine.