Fig. 1From: Predictors of pneumococcal carriage and the effect of the 13-valent pneumococcal conjugate vaccination in the Western Australian Aboriginal populationPrevalence 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 2011Back to article page