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. 2020 May 16;10(2):141–150. doi: 10.1093/jpids/piaa035

Figure 1.

Figure 1.

PCV coverage by age and year at Kaiser Permanente Northern California (includes 1 or more doses of either PCV7 or PCV13 during the study period). PCV use included only PCV7 from May 2008 through April 2010, either PCV7 or PCV13 during the introductory period (May 2010–April 2011), and only PCV13 thereafter (May 2011–April 2018). Vertical dashed lines indicate dates for PCV13 licensure and recommendations. Note that the increase in coverage among individuals aged 6 to <18 years reflects the increase in the population of that age, most of whom received PCV7 in the past as part of routine care, and may not reflect higher PCV13 coverage with time among this age group. Abbreviation: PCV, pneumococcal conjugate vaccine.