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Group B streptococci--gastrointestinal organisms?

C S Easmon, A Tanna, P Munday

    Journal of Clinical Pathology
    |August 1, 1981
    PubMed
    Summary
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    Group B Streptococcus (GBS) carriage in homosexual men primarily colonizes the perianal skin and anal canal, not the gastrointestinal tract. Rectal and perianal swabs showed higher GBS detection than fecal samples.

    Area of Science:

    • Microbiology
    • Infectious Diseases
    • Public Health

    Background:

    • Group B Streptococcus (GBS) is a significant pathogen, particularly in neonates.
    • Understanding GBS carriage in different populations is crucial for prevention strategies.

    Purpose of the Study:

    • To investigate the prevalence and sites of GBS colonization in male homosexual individuals attending a sexually transmitted disease clinic.
    • To determine the relationship between GBS recovery from perianal, rectal, and fecal samples.

    Main Methods:

    • Matched perianal swabs, rectal swabs, and fecal samples were collected from 115 male homosexual patients.
    • Samples were analyzed for the presence of GBS using standard microbiological techniques.

    Main Results:

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    • GBS was recovered from 27% of perianal swabs, 25% of rectal swabs, and 6% of fecal samples.
    • Perianal swabs indicated heavier GBS colonization compared to rectal swabs.
    • Fecal GBS recovery rates were comparable to routine laboratory findings.

    Conclusions:

    • Gastrointestinal GBS carriage in this cohort appears limited to the rectum and anal canal.
    • Perianal skin may be a primary site for GBS colonization, potentially leading to rectal contamination.