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. 2017 Sep 25;9:14. doi: 10.1186/s41479-017-0038-x

Fig. 1.

Fig. 1

Prevalence of any serotypeable pneumococcus or PCV13-nonPCV7 serotype only by year, by age group, among Aboriginal people in Western Australia, August 2008–November 2014. Numbers by bars represent number of participants per year. ◆PCV13 was introduced on 1 July 2011