Impact of pneumococcal conjugate vaccines on S. pneumoniae carriage in infant and toddlers with acute otitis media in Morocco.
BACKGROUND Streptococcus pneumoniae remains a major cause of pediatric infections despite pneumococcal conjugate vaccines (PCVs). In Morocco, the concurrent use of PCV10 and PCV13 offers a unique opportunity to evaluate their impact on nasopharyngeal carriage and serotype distribution. OBJECTIVE To describe pneumococ...