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An adhesive surface sampling technique for airborne viruses.

G Thomas

    The Journal of Hygiene
    |June 1, 1970
    PubMed
    Summary
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    A novel adhesive surface coating allows for efficient collection and viability assessment of airborne viruses using slit and Andersen samplers. This method aids in determining viable virus particles in aerosols.

    Area of Science:

    • Aerosol science
    • Virology
    • Microbiology

    Background:

    • Accurate collection and viability assessment of airborne viruses are crucial for understanding disease transmission.
    • Traditional methods may not preserve viral viability during aerosol sampling.

    Purpose of the Study:

    • To develop and evaluate a novel adhesive surface coating for collecting viable virus aerosols.
    • To assess the applicability of this technique with standard and modified aerosol samplers.

    Main Methods:

    • A stable, adhesive coating was created using sucrose, glycerol, and bovine serum albumin.
    • The coating was tested in a slit sampler and found to remain adhesive for up to an hour.
    • Virus aerosols were collected, and cell cultures were directly added to assess viral viability.

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  • The technique was adapted for use with the Andersen sampler, including a modified version with equivalent particle collection efficiency.

    • Main Results:

    • The sucrose-glycerol-bovine serum albumin coating effectively collected virus aerosols.
    • Viable viruses were successfully detected after collection on the adhesive surface.
    • The technique demonstrated applicability with both slit and Andersen samplers.
    • Modified Andersen sampler maintained particle collection efficiency.

    Conclusions:

    • The adhesive surface sampling technique provides a reliable method for collecting and assessing viable virus aerosols.
    • This method offers a valuable tool for virological and epidemiological studies.
    • The technique is compatible with established aerosol sampling devices, enhancing its practical utility.