The purpose of this study is to assess the indirect effects of a pneumococcal conjugate vaccine administered to infants on vaccinees' elder non-vaccinated siblings aged 3 to 7 years.
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Carriage Due to Any Pneumococcal Serotype Included in the Ten-valent Pneumococcal Conjugate Vaccine (PCV10) Vaccine in Older Siblings of Children Vaccinated With Infant Schedules
Timeframe: one sampling at 3 to 7 years of age