title: Use of new bacterial vaccines in children.
mesh_terms: D001428:Bacterial Vaccines; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D006193:Haemophilus influenzae / Q000276:immunology; D006801:Humans; D007223:Infant; D009345:Neisseria meningitidis / Q000276:immunology; D022242:Pneumococcal Vaccines; D013296:Streptococcus pneumoniae / Q000276:immunology
chemical_list: D001428:Bacterial Vaccines; D022242:Pneumococcal Vaccines