According to the World Health Organization (WHO), a new sub-variant of the highly contagious Omicron variant of the coronavirus, called BA.2, has been found and some studies indicate that it is more effective than the original variant. may also be more contagious. The World Health Organization said that the new variant BA.2 of Omicron is spreading very fast and so far it has been found in 57 countries.
The WHO said there are several different sub-variants of the Omicron variant, covering 93 percent of all coronavirus samples collected last month. These include sub-variants such as BA.1, BA.1.1, BA.2 and BA.3.
According to WHO, BA.1 is the most important among the cases of Omicron reported worldwide. This is also the original version of Omicron, but cases of BA.2 are increasing rapidly in more than 50 countries including the UK, Denmark and Australia. Let us tell you that Kiomicron was detected in South Africa in December and in less than two months it took over the whole world.
How dangerous is BA.2 compared to the original variant?
According to the WHO, BA.2 is slightly different from the original virus and there is a clear increase in its cases. The health organization said that cases of BA.2 have been reported by 57 countries. In some countries, it accounts for half of the total cases of Omicron. The organization reported that this mutant also contains the spike protein that dot the surface of the virus and enters human cells.
The health organization states that cases of BA.2 subvariant mutations have been submitted to GISAID from 57 countries. The UN health agency said that little information has been available about this sub-variant so far, so a detailed study has been asked on it, so that its infectiousness can be ascertained. Preliminary figures indicate that the growth of BA.2 is slightly higher than that of BA.1.
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A study of 8,500 families in Denmark between December and January found that BA.2 is more contagious than the BA.1 variant. Vaccinated people also easily fall prey to it. However, health experts say that the corona vaccine is still effective in protecting against serious disease. He said that even if Omicron is infected, the vaccine protects against serious disease.
How different is BA.2?
Scientists say there is no evidence yet that it will cause more serious disease. Dr. Boris Powlin, associated with the WHO’s COVID Response Team, said that Omicron’s sub-variant BA.2 in Denmark is now replacing the BA.1 variant. Denmark itself has the highest number of BA.2 cases. He said that based on the data from Denmark, it has emerged that there is no difference in the severity of the disease between BA.2 and BA.1 variants.
He said that BA.2 has the potential to replace the BA.1 variant. According to the WHO, preliminary studies have found that the BA.2 variant may be more infectious than the original Omicron BA.1 in the future. Researchers suggest that people with complete vaccinations are 2.5 times more susceptible to BA.2 than those who have received a booster dose, about three times more susceptible.
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