
Nasopharyngeal s. pneumoniae carriage and density in Belgian infants after 9â¯years of pneumococcal conjugate vaccine programme
Keywords: AOM; acute otitis media; CRO; clinical research organisation; Chi2; Chi-Square test; DCC; day-care centre; GP; general practitioner; IPD; invasive pneumococcal disease; MWU; Mann-Whitney U test; NP; nasopharyngeal; PCV; pneumococcal conjugate vaccine; STG