TNPSC Thervupettagam

New immune escape variant

April 27 , 2021 1309 days 1051 0
  • A new immune escape COVID-19 variant has been found in West Bengal, according to experts.
  • This new SARS-CoV-2 variant can reportedly escape immunity and infect a person even if the individual had contracted the virus before and has antibodies against it.
  • This is on the same lines as the "double mutant variant" of COVID-19.
  • That was detected in 18 states and UTs of India, majorly Maharashtra.
  • It had been detected in 15-20 percent samples collected from Maharashtra.
  • The new variant of coronavirus, B.1.618, is being called a major immune escape variant.
  • It is characterised by a distinct set of genetic variants including E484K.
  • According to scientists, the proportions of B.1.618 have been growing significantly in West Bengal.

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