As the new virus variant&nbsp; B.1.1.529&nbsp;gripped the world on Friday, the World Health Organisation(WHO) moved to name it Omicron and designated it as a "variant of concern".

The WHO has clearly defined what a&nbsp;variant&nbsp;of concern (VOC) means. According to the UN health body, a variant of concern demonstrates an "increase in transmissibility" or "detrimental change in COVID-19 epidemiology".&nbsp;

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The WHO had earlier classified Alpha, Beta, Gamma and Delta as variants of concern. The health agency also stipulates initial steps as the variant of&nbsp;concern is discovered.&nbsp;

Watch:&nbsp;New variant of Wuhan virus discovered

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It assesses the public health risks as it compares the variant characteristics. It also coordinates investigations with member states to set up laboratory tests and establishes a "guidance" system.&nbsp;

The member state which discovers the variant is expected to submit complete genome sequences to the healthy body and it also has to identify variant cases and clusters including conducting field investigations and laboratory assessments.

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US Centers for Disease Control and Prevention (CDC) describes a VOC as "evidence of an increase in transmissibility, more severe disease including "significant reduction in neutralisation by antibodies generated during previous infection or vaccination".

The CDC looks into the variant's "widespread interference with diagnostic test targets" including "evidence of reduced vaccine-induced protection".

<a href="https://www.wionews.com/world/who-warns-against-travel-curbs-due-to-new-variant-says-closely-monitoring-432286">Also Read:&nbsp;WHO warns against travel curbs due to new variant</a>

The new COVID-19&nbsp;variant dubbed Omicron has created panic as countries have banned flights from South Africa where it was first discovered including other African countries.&nbsp;

Apart from South Africa, the new&nbsp;variant was also discovered in Botswana, Israel&nbsp;and Hong Kong. Europe also recorded the first case of the new Omicron variant in Belgium&nbsp;after a traveller from Egypt was detected with the new strain.

(With inputs from Agencies)

As the new virus variant B.1.1.529 gripped the world on Friday, the World Health Organisation(WHO) moved to name it Omicron and designated it as a "variant of concern".

As the new virus variant B.1.1.529 gripped the world on Friday, the World Health Organisation(WHO) moved to name it Omicron and designated it as a "variant of concern". The WHO has clearly defined what a variant of concern (VOC) means. According to the UN health body, a variant of concern demonstrates an "increase in transmissibility" or "detrimental change in COVID-19 epidemiology". Also Read | Neither Nu nor Xi: WHO skips two Greek letters for naming new Covid variant Omicron The WHO had earlier classified Alpha, Beta, Gamma and Delta as variants of concern. The health agency also stipulates initial steps as the variant of concern is discovered. Watch: New variant of Wuhan virus discovered It assesses the public health risks as it compares the variant characteristics. It also coordinates investigations with member states to set up laboratory tests and establishes a "guidance" system. The member state which discovers the variant is expected to submit complete genome sequences to the healthy body and it also has to identify variant cases and clusters including conducting field investigations and laboratory assessments. Also Read: US to restrict travel over fears of new COVID-19 variant US Centers for Disease Control and Prevention (CDC) describes a VOC as "evidence of an increase in transmissibility, more severe disease including "significant reduction in neutralisation by antibodies generated during previous infection or vaccination". The CDC looks into the variant's "widespread interference with diagnostic test targets" including "evidence of reduced vaccine-induced protection". Also Read: WHO warns against travel curbs due to new variant The new COVID-19 variant dubbed Omicron has created panic as countries have banned flights from South Africa where it was first discovered including other African countries. Apart from South Africa, the new variant was also discovered in Botswana, Israel and Hong Kong. Europe also recorded the first case of the new Omicron variant in Belgium after a traveller from Egypt was detected with the new strain. (With inputs from Agencies)

Omicron: What does variant of concern mean?

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Omicron: What does variant of concern mean?