A Laboratory-Based Surveillance Study of Invasive <i>Neisseria meningitidis</i>, <i>Streptococcus pneumoniae</i>, and <i>Haemophilus influenzae</i> Diseases in a Serbian Pediatric Population-Implications for Vaccination.

For meningococci, the predominance of serogroup B has been reported [ 12 ], while existing data for pneumococci imply that circulating serotypes in some regions are similar to those observed in other countries before the introduction of PCVs and that antibiotic resistance might be significant in some serotypes [ 13 , 14 , 15 , 16 ].

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