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  • A comparison of flocked nylon swabs and non-flocked rayon swabs for detection of respiratory bacteria in nasopharyngeal carriage in Australian Indigenous children

    Author(s)
    Wigger, Christine
    Morris, Peter Stanley
    Stevens, Matthew
    Smith-Vaughan, Heidi
    Hare, Kim
    Beissbarth, Jemima
    Leach, Amanda Jane
    Griffith University Author(s)
    Smith-Vaughan, Heidi
    Year published
    2019
    Metadata
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    Abstract
    This study compared flocked (nylon) swabs and (non-flocked) rayon swabs for the detection of Streptococcus pneumoniae, Haemophilus influenzae and Moraxella catarrhalis in nasopharyngeal samples from 20 enrolled Indigenous children under the age of 6 years living in remote Australian Aboriginal communities, and determined which swab the child or parent perceived to be more comfortable. There was no evidence of a significant difference between flocked and rayon swabs in the recovery of common respiratory bacteria. Rayon swabs detected presence of S. pneumoniae (90% cf. 74%, p = 0.375), H. influenzae (79% cf. 74%, p = 1.00) and ...
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    This study compared flocked (nylon) swabs and (non-flocked) rayon swabs for the detection of Streptococcus pneumoniae, Haemophilus influenzae and Moraxella catarrhalis in nasopharyngeal samples from 20 enrolled Indigenous children under the age of 6 years living in remote Australian Aboriginal communities, and determined which swab the child or parent perceived to be more comfortable. There was no evidence of a significant difference between flocked and rayon swabs in the recovery of common respiratory bacteria. Rayon swabs detected presence of S. pneumoniae (90% cf. 74%, p = 0.375), H. influenzae (79% cf. 74%, p = 1.00) and M. catarrhalis (79% cf. 74%, p = 1.00) at higher rates than the flocked swabs. Analysis of semi-quantitative growth scores also showed no significant differences in either the ranked distributions or medians. Rayon swabs median semi-quantitative growth scores were higher for S. pneumoniae (4 [IQR 1–5] cf. 3 [IQR 0–6], p = 0.699), and H. influenzae (2 [IQR1–5] cf. 1 [IQR0–5], p = 0.946). Sixty percent of participants preferred samples to be taken with flocked swabs. This study demonstrates that microbiological outcomes are not compromised when using flocked or rayon swabs in respiratory bacterial carriage studies in this population. Therefore, cost, methodological consistency across studies, and participant preference can be considered when choosing swab type.
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    Journal Title
    Journal of Microbiological Methods
    Volume
    157
    DOI
    https://doi.org/10.1016/j.mimet.2018.12.013
    Subject
    Microbiology
    Medical Microbiology
    Science & Technology
    Life Sciences & Biomedicine
    Biochemical Research Methods
    Biochemistry & Molecular Biology
    Publication URI
    http://hdl.handle.net/10072/386764
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    Tagline

    • Gold Coast
    • Logan
    • Brisbane - Queensland, Australia
    First Peoples of Australia
    • Aboriginal
    • Torres Strait Islander