Concurrent pneumococcal disease in two siblings.
D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008581:Meningitis / Q000235:genetics* / Q000635:transmission; D009305:Nasopharynx / Q000382:microbiology; D011008:Pneumococcal Infections / Q000235:genetics* / Q000635:transmission; D013296:Streptococcus pneumoniae / Q000302:isolation & purification; D013997:Time Factors