RANDOM COLONY SELECTION VERSUS COLONY MORPHOLOGY FOR DETECTION OF MULTIPLE PNEUMOCOCCAL SEROTYPES IN NASOPHARYNGEAL SWABS

RANDOM COLONY SELECTION VERSUS COLONY MORPHOLOGY FOR DETECTION OF MULTIPLE PNEUMOCOCCAL SEROTYPES IN NASOPHARYNGEAL SWABS

Detection of multiple serotype carriage is important in understanding pneumococcal epidemiology. We compared random selection of 4 pneumococcal colonies per swab with selection by colony morphology. Multiple serotypes were detected in 20% of 98 swabs; 14% by morphology and 17% by random selection. S...

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Veröffentlicht in:The Pediatric infectious disease journal 2008-02, Vol.27 (2), p.178-180
Hauptverfasser: Hare, Kim Maree, Morris, Peter, Smith-Vaughan, Heidi, Jane Leach, Amanda
Format: Artikel
Sprache:eng
Schlagworte:
Carrier State
Humans
Nasopharynx - microbiology
Pneumococcal Infections - microbiology
Serotyping
Streptococcus pneumoniae - classification
Streptococcus pneumoniae - isolation & purification
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Zusammenfassung:Detection of multiple serotype carriage is important in understanding pneumococcal epidemiology. We compared random selection of 4 pneumococcal colonies per swab with selection by colony morphology. Multiple serotypes were detected in 20% of 98 swabs; 14% by morphology and 17% by random selection. Selection by morphology was more efficient per colony, but underestimated the true rate of multiple carriage.
ISSN:0891-3668
1532-0987
DOI:10.1097/INF.0b013e31815bb6c5