New crisis: Omicron's 'dangerous strain' BA.1 raises concern, is also defeating Delta, scientists alert


The Omicron variant of Corona continues to wreak havoc all over the world. In India too, the situation is deteriorating for the last one or two weeks. Till the last week of December, where the daily figures were less than 10 thousand, now more than 1.25 lakh new cases are being registered daily for the last two days. In the last 24 hours, more than 1.79 lakh new infection cases have been reported in the country, while the cases of Omicron have also crossed the figure of 4 thousand. According to health experts, cases of infection from Omicron as well as Delta are being seen in the country, so all people need to take special precautions.

At the same time, a recent report states that the Omicron variant sublineage BA.1 is growing rapidly in some parts of the country. In some states, including Maharashtra, it seems to be replacing the delta variant. An appeal was made to all the people to take special vigil in this regard. Let us know about this in detail in the next slides.


The Omicron variant sublineage BA.1
The Indian SARS-CoV-2 Genome Consortium (INSACOG) in the Department of Biotechnology reported in a report that cases of Omicron's sub-lineage BA.1
Seeing it grow rapidly, it is rapidly replacing Delta. Studies have identified three subgenera of the Omicron variant (BA.1, BA.2, BA.3). In some states of the country, more cases of BA.1 are being seen in the testing of the infected.

The highest number of cases of BA.1 sub-lineage
INSACOG scientists said that during the testing of the samples, we are seeing the presence of more BA.1 sub-lineage in most of the samples than the original strain of Omicron.

Since the sub-lineages belong to the same virus family, all are assumed to be Omicron positive during sample testing. Studies are being done to know the nature of this strain, Omicron currently has the highest number of BA.1 cases among the three strains, so it is believed that its infection rate is probably higher than the others. Might be possible.


Can it be detected by the RTPCR test?
Scientists say that the widely used RT-PCR tests are also proving successful in detecting new variants and strains. Cases of infection can be detected by RT-PCR test or antigen kit. However, some evidence suggests that the reliability of the RT-PCR test in detecting the BA.2-like sub-lineage is still in question.

The need to keep guarding against new threats
Recently, the Ministry of Health, citing a WHO report, said that 99 percent of the genomic sequences of Omicron are BA.1 sublineages. With the Omicron variant already believed to be the most contagious, the increasing number of cases of its BA.1 sub-lineage has raised concerns. Health experts have advised all people to continue following the appropriate covid behavior so that this rapidly increasing spread of corona can be controlled.

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