A variant of Concern: The World Health Organization (WHO) has raised alarm bells about the new variant of the coronavirus found in South Africa. The Omicron virus is flooding very fast and is more hazardous than the delta variant. This can be assessed from the fact that the World Health Organization has positioned this variant in the category of ‘Variant of Concern’. Due to the danger of the Omicron variant, many countries have restricted travelers from South Africa.
What is a Variant of Concern? What is its meaning? On what basis a variant is positioned in the category of Variant of Concern? How hazardous is the Variant of Concern? How many hazardous variants has the World Health Organization classified so far in the category of Concern and Interest?
These 4 variants of Corona have destroyed several countries. In India too, Only because of the delta variant, the 2nd wave of corona came. However, kappa, ita, zeta, epsilon, iota, and theta were kept in the category of a variant of concern. However, these variants were eliminated from this list after the effect of these variants weakened.
During the spread of the coronavirus, the WHO (World Health Organization) has so far classified 5 dangerous variants as ‘Variants of Concern’. Variants of concern are those variants, which circulate quickly. Shows drastic symptoms. The effect of the vaccine on them is neutralized or the effect of the vaccine is diminished.
Alpha variant: The reaction of this variant of the coronavirus was in Britain. In September 2020, this virus caused tremendous destruction in Britain. A strict lockdown was imposed in the nation to avoid the spread of the virus.
Beta Variant: In South Africa, the beta variant took a destructive form. In May 2020, this virus caused great havoc in South Africa and its neighboring countries.
Gamma variant: In November 2020, Brazil and its shrouding areas were susceptible to this virus. This variant caught millions of people. Brazil was among the countries where Corona had the most influence.
Delta Variant: In October 2020, this variant came as the devastation in India. Lakhs of people in the nation came under the control of this virus. Due to this, the country stayed under strict sanctions for several months.
Omicron variant: This virus is on the labels in November 2021. Many regions of the world are susceptible to this variant. Recently the World Health Organization has published an alert regarding this variant.
What is the Variant of Concern category?
As the variant spreads, the World Health Organization closely surveys it. Viruses are categorized as variants of interest. After this, intensive research is performed on this virus. If it is found in the research that the variant is spreading quickly i.e. it is more infectious, then it is put in the level of a variant of concern.
The classification of the variant is specified based on several parameters. These aspects are taken into account to categorize a variant as a variant of interest. Under this, whether any genetic change is taking place in the basic pattern of the virus. It can be known in the form that its spread increases, the level of the disease increases, the effect of the vaccine on it decreases.
After this, scientists found out the explanation for the increase in cases by doing genomic sequencing, then this variant was observed. It is expected that the vaccine is becoming inefficient on this variant. The reason for this is being told that since the vaccine has been created according to the virus found in China and this virus is different from that original virus.