Explainer Know How Dangerous Are The BA.4 And BA.5 Sub Variants Of Omicron Know Will Booster Dose Give Relief



Omicron Variants: The risk of infection still remains due to the arrival of many variants of Coronavirus around the world including India. Experts recommend taking Corona Vaccine to avoid corona infection. For the prevention of corona in India, a vaccination campaign is being conducted on a war footing. Despite this, cases of corona are coming to the fore in the country. For the past few days, there is a spurt in the cases of corona infection in the country once again.

Experts are advising people who have taken both doses of the vaccine to apply a booster dose. Meanwhile, new cases of three BA.4 sub-variants and BA.5 sub-variants of the Omicron variant of the corona virus have raised concerns. After the arrival of these new cases, the concern of the country has increased. Because many experts have already warned of the fourth wave coming in June.

How dangerous are these sub-variants?

At present, the maximum number of cases from Corona are coming from Maharashtra. At the same time, cases of BA.4 and BA.5 sub-variants of Omicon variants of corona virus are increasing in Mumbai. Due to Omicon, the third wave of this epidemic came in India. Now once again the cases of corona are increasing in the country. According to experts, BA.4 and BA.5 coronas are highly contagious subtypes of Omicron. Which is the same as the sub-variants BA.2. At the same time, the World Health Organization has also recognized that it is more contagious than the rest of the sub-variants of Omicron.

BA.4 and BA.5 variants of concern

Let us tell you that America’s Center for Disease Control and European Center for Disease Control have declared sub-variants BA.4 and BA.5 as ‘Variants of Concern’. Not only this, the World Health Organization has also considered all variants of Omicron as variants of concern. Along with this, WHO has also appealed to all countries to take necessary steps for its prevention. Although less severe than Omicron’s BA.4 and BA.5 corona’s delta variants, its infectivity is much higher. Due to which the third wave of corona came in the world. It is worth noting that in November last year, the first case of Omicron variant was reported in South Africa. After which this virus spread all over the world. Many Omicron patients were also reported in India.

Experts are worried because of this

The reason for the concern of experts about the Omicron variants of Corona is that many variants have come to the fore so far. There are many variants of Omicron coming out which are rapidly changing their appearance. Earlier Omicron had BA.1 and BA.2 sub-variants. After this the names of BA.4 and BA.5 were also added to this list. According to experts, both these sub-variants of Omicron are more lethal and infectious than the earlier BA.1 and BA.2 variants. Apart from this, many such people have also been infected by Omicron’s sub-variants BA.4 and BA.5 who had already taken the vaccine. According to experts, if the cases of this new sub-variant increase in the country, then there may be a fourth wave of corona in the country.

Booster dose of Covaccine can provide relief

Research by the Indian Council of Medical Research (ICMR) and Bharat Biotech has revealed that taking a booster dose of Covaccine strengthens immunity against not only the delta of the corona virus but also the BA.1.1 and BA.2 variants of Omicron. The study claims that booster vaccination of Covaccine increases protective immunity. Due to which the severity of disease related to Delta and Omicron form is reduced. In the first study, the severity of lung disease was found to be low. In the second study, a protective response was observed against the variants of Omicron after the third dose.

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