Fig. 2

The proportion of vaccine-included serotypes causing invasive pneumococcal disease (IPD) in patients in Southwest Sweden between 2009 and 2015. Number of episodes in 2009 n = 207, 2010 n = 216, 2011 n = 197, 2012 n = 177, 2013 n = 187, 2014 n = 154, 2015 n = 166. PCV10 = 10-valent pneumococcal conjugate vaccine, PCV13 = 13-valent pneumococcal conjugate vaccine, PPV23 = 23-valent pneumococcal polysaccharide vaccine