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Dendrogram showing the relatedness among the STs and serotypes of S. pneumoniae by use of UPGMA from BOX-PCR. Notes: Antimicrobial patterns: pen (penicillin G); amp (ampicillin), chlo (chloramphenicol), cotr (cotrimoxazole tetr (tetracycline) and cefo (cefotaxime); Source: LA (lung aspirate), CSF (cerebrospinal fluid), VB (venous blood), and PE (pleural effusion).
