Hazard criteria and categorization of microbes classification systems

Nigel Silman*

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

    1 Citation (Scopus)


    There are four defined HGs used worldwide, which categorize pathogenic microorganisms based on the following criteria: • whether the agent is pathogenic for humans and/or animals; • whether the agent is a hazard to employees; • whether the agent is transmissible to the community; • whether there is effective treatment or prophylaxis available.

    Original languageEnglish
    Title of host publicationWorking in Biosafety Level 3 and 4 Laboratories
    Subtitle of host publicationA Practical Introduction
    PublisherWiley Blackwell
    Number of pages8
    ISBN (Electronic)9783527675357
    ISBN (Print)9783527334674
    Publication statusPublished - 6 Sept 2014

    Bibliographical note

    Publisher Copyright:
    © 2014 Wiley-VCH Verlag GmbH & Co. KGaA.


    • Biological agent
    • Biosafety levels
    • European Directive
    • Guidelines
    • Hazard groups
    • Microorganisms
    • Pathogens
    • Regulations


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