WHO renames B.1.1.529 as ‘Omicorn’, terms it as ‘variant of concern’

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Biznextindia : The World Health Organization (WHO) has termed the B.1.1.529 strain of COVID-19 as  a variant of concern and has renamed it ‘Omicron’.

The Technical Advisory Group on SARS-CoV-2 Virus Evolution (TAG-VE) of WHO during its meeting on 26th November accessed the B.1.1.529 variant of COVID-19.

“Based on the evidence presented indicative of a detrimental change in COVID-19 epidemiology, the TAG-VE has advised WHO that this variant should be designated as a VOC, and the WHO has designated B.1.1.529 as a VOC, named Omicron” said WHO.

WHO advisory to countries:

  • Enhance surveillance and sequencing efforts to better understand circulating SARS-CoV-2 variants.
  • Submit complete genome sequences and associated metadata to a publicly available database, such as GISAID.
  • Report initial cases/clusters associated with VOC infection to WHO through the IHR mechanism.
  • Where capacity exists and in coordination with the international community, perform field investigations and laboratory assessments to improve understanding of the potential impacts of the VOC on COVID-19 epidemiology, severity, effectiveness of public health and social measures, diagnostic methods, immune responses, antibody neutralization, or other relevant characteristics.
  • Individuals are reminded to take measures to reduce their risk of COVID-19, including proven public health and social measures such as wearing well-fitting masks, hand hygiene, physical distancing, improving ventilation of indoor spaces, avoiding crowded spaces, and getting vaccinated.

“The B.1.1.529 variant was first reported to WHO from South Africa on 24 November 2021. The epidemiological situation in South Africa has been characterized by three distinct peaks in reported cases, the latest of which was predominantly the Delta variant. In recent weeks, infections have increased steeply, coinciding with the detection of B.1.1.529 variant. The first known confirmed B.1.1.529 infection was from a specimen collected on 9 November 2021. This variant has a large number of mutations, some of which are concerning. Preliminary evidence suggests an increased risk of reinfection with this variant, as compared to other VOCs” WHO said.

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