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  2. Oct 1, 2024 · ECDC utilises three categories of variant classification to communicate increasing levels of concern about a new or emerging SARS-CoV-2 variant: variant under monitoring (VUM), variant of interest (VOI) and variant of concern (VOC).

  3. Jun 28, 2024 · A Variant Under Monitoring (VUM) is a term used to signal to public health authorities that a SARS-CoV-2 variant may require prioritized attention and monitoring. The main objective of this category is to investigate if this variant (and others closely related to it) may pose an additional threat to global public health as compared to other ...

  4. Nov 29, 2021 · Variants of concern (VOC): a variant that has been demonstrated to cause increased transmissibility, disease severity, immune evasion, or resistance to diagnostics and therapeutics. These are of particular concern because they've been shown to have a more pronounced impact on public health.

    • What is a variant under monitoring (VUM)?1
    • What is a variant under monitoring (VUM)?2
    • What is a variant under monitoring (VUM)?3
    • What is a variant under monitoring (VUM)?4
    • What is a variant under monitoring (VUM)?5
  5. Variant Under Monitoring (VUM) Working definition (updated on 4 October 2023): A SARS-CoV-2 variant with genetic changes that are suspected to affect virus characteristics and early signals of growth advantage relative to other circulating variants (e.g. growth

  6. Apr 3, 2023 · According to the latest definitions, a VUM is one with genetic changes suspected to affect how the virus behaves and which may be showing early signals of faster spread, but the impact of these changes is still uncertain, so it requires enhanced monitoring.

  7. Sep 10, 2024 · A variant under monitoring is a SARS-CoV-2 variant with genetic changes that are suspected to affect virus characteristics and early signals of growth advantage relative to other circulating variants (e.g., growth advantage which can occur globally or in only one WHO region), but for which evidence of phenotypic or epidemiological impact ...

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