Figure 2.
Age-specific female/male incidence ratio of invasive pneumococcal disease in the pre- and post-PCV periods, the Netherlands, 2004–15 (n = 4,303)
F/M: female/male; PCV: pneumococcal conjugate vaccine.
Study period: pre-PCV7: June 2004–May 2006; post-PCV7: June 2008–May 2011; post-PCV10: June 2013–May 2015.
Black bars indicate 95% confidence intervals.
