Random colony selection versus colony morphology for detection of multiple pneumococcal serotypes in nasopharyngeal swabs

Kim Hare, Peter Morris, Heidi Smith-Vaughan, Amanda Leach

    Research output: Contribution to journalArticle

    Abstract

    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.
    Original languageEnglish
    Pages (from-to)178-180
    Number of pages3
    JournalPediatric Infectious Disease Journal
    Volume27
    Issue number2
    Publication statusPublished - 2008

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