Fig. 1From: Clinical characteristics of the patients with bacteremia due to Moraxella catarrhalis in children: a case–control studyQuarterly number of patients with bacteremia caused by Moraxella catarrhalis, Streptococcus pneumoniae, or Haemophilus influenzae. X-axis denotes quarterly periods between April 2008 and June 2014. Y-axis denotes the incidence of bacteremia caused by M. catarrhalis, S. pneumoniae and H. influenzae. Abbreviations: Hib, Haemophilus influenzae type b; PCV7, 7-valent pneumococcal conjugate vaccine; PCV13, 13-valent pneumococcal conjugate vaccine; NIP, national immunization program in JapanBack to article page