HomeNewsIndiaCovid-19: Highly mutated BA.2.86 variant raises concerns across the world

Covid-19: Highly mutated BA.2.86 variant raises concerns across the world

The variant might possess a greater capability to cause infections in individuals who had previous Covid infections

August 30, 2023 / 16:26 IST
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The lineage was initially detected in Denmark last month
The lineage was initially detected in Denmark last month

With Canada identifying its first case of coronavirus infection involving the highly mutated BA.2.86 variant of Omicron in an individual in British Columbia, a fresh concern has emerged worldwide.

The lineage was initially detected in Denmark last month. It boasts of over 35 mutations in significant portions of the virus when compared to the XBB.1.5 variant, which had been the predominant strain throughout most of 2023. The United States, Switzerland, and Israel have also reported cases of this new variant.

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A report by Hindustan Times quoted coronavirologist Pavithra Venkatagopalan saying that BA.2.86 or Pirola variant seems to have as many changes as Omicron had from Delta variant.

How dangerous is the Pirola variant?

COVID-19 Vaccine
Frequently Asked Questions

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How does a vaccine work?

A vaccine works by mimicking a natural infection. A vaccine not only induces immune response to protect people from any future COVID-19 infection, but also helps quickly build herd immunity to put an end to the pandemic. Herd immunity occurs when a sufficient percentage of a population becomes immune to a disease, making the spread of disease from person to person unlikely. The good news is that SARS-CoV-2 virus has been fairly stable, which increases the viability of a vaccine.

How many types of vaccines are there?

There are broadly four types of vaccine — one, a vaccine based on the whole virus (this could be either inactivated, or an attenuated [weakened] virus vaccine); two, a non-replicating viral vector vaccine that uses a benign virus as vector that carries the antigen of SARS-CoV; three, nucleic-acid vaccines that have genetic material like DNA and RNA of antigens like spike protein given to a person, helping human cells decode genetic material and produce the vaccine; and four, protein subunit vaccine wherein the recombinant proteins of SARS-COV-2 along with an adjuvant (booster) is given as a vaccine.

What does it take to develop a vaccine of this kind?

Vaccine development is a long, complex process. Unlike drugs that are given to people with a diseased, vaccines are given to healthy people and also vulnerable sections such as children, pregnant women and the elderly. So rigorous tests are compulsory. History says that the fastest time it took to develop a vaccine is five years, but it usually takes double or sometimes triple that time.
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