[Prevention of pneumococcal disease in Brazil].
D001938:Brazil; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D011008:Pneumococcal Infections / Q000517:prevention & control*; D022242:Pneumococcal Vaccines; D012703:Serotyping; D013296:Streptococcus pneumoniae / Q000145:classification
D022242:Pneumococcal Vaccines