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Streptococcus pneumoniae Upper Respiratory Carriage in Costa Rican Children with Otitis Media before the Introduction of the Heptavalent Conjugated Vaccine in the National Immunization Program

Ulloa, Catalina; Pereira Céspedes, Alfonso; Soley Gutiérrez, Carolina; Porat, Nurith; Abdelnour Vásquez, Arturo; Dagan, Ron; Arguedas Mohs, Adriano (2013)

Objective: The aim of this study was to analyze the NP/OP S. pneumoniae serotype distribution and potential vaccine coverage in Costa Rican children with Otitis Media (OM) before the introduction of PCV-7 in the National ...