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[Biological properties and serological types and groups of pneumococci isolated from suppurative meningitis patients]

A A Demina, A I Markova

    Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
    |May 1, 1983
    PubMed

    Insights

    This study analyzed pneumococci from meningitis patients, identifying 16 serotypes. Ten of these serotypes are included in the current pneumococcal vaccine, highlighting potential gaps in coverage for meningitis strains.

    Area of Science:

    • Microbiology
    • Immunology
    • Epidemiology

    Context:

    • Purulent meningitis poses a significant health threat, particularly in vulnerable populations.
    • Pneumococci are a leading cause of bacterial meningitis worldwide.
    • Understanding the serological diversity of pneumococci is crucial for vaccine development and public health strategies.

    Purpose:

    • To characterize the biological and serological properties of pneumococci isolated from patients with purulent meningitis.
    • To determine the prevalence of different pneumococcal serotypes in meningitis cases.
    • To assess the coverage of existing pneumococcal vaccines against prevalent serotypes.

    Summary:

    • Biological and serological properties of 64 pneumococcal strains from cerebrospinal fluid and blood of meningitis patients were analyzed.
    • Sixteen known serological types and groups were identified, with serotypes 1, 19, 6, 12, and 20 being most frequent overall.
    • Serotype 12 was most common in children, while types 1, 19, and 2 were prevalent in fatal adult cases. Ten of the identified serotypes are included in the 14-valent pneumococcal polysaccharide vaccine.

    Impact:

    • The findings provide valuable data on the serotype distribution of pneumococci causing meningitis, informing vaccine efficacy assessments.
    • Identifies specific serotypes prevalent in severe meningitis cases, guiding potential improvements in vaccine composition.
    • Contributes to the understanding of pneumococcal epidemiology and the ongoing fight against bacterial meningitis.

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