title: The risk of additional systemic bacterial illness in infants with systemic Streptococcus pneumoniae disease.
mesh_terms: D000293:Adolescent; D001424:Bacterial Infections / Q000150:complications* / Q000276:immunology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007074:Immunoglobulin G / Q000097:blood / Q000276:immunology; D007075:Immunoglobulin M / Q000097:blood / Q000276:immunology; D007223:Infant; D007231:Infant, Newborn; D008586:Meningitis, Pneumococcal / Q000150:complications / Q000276:immunology; D012189:Retrospective Studies; D012306:Risk; D013290:Streptococcal Infections / Q000150:complications* / Q000276:immunology; D013296:Streptococcus pneumoniae / Q000302:isolation & purification
chemical_list: D007074:Immunoglobulin G; D007075:Immunoglobulin M