TNPSC Thervupettagam
November 30 , 2021 1005 days 793 0
  • The World Health Organisation (WHO) designated SARS-CoV-2 variant B.1.1529 as a ‘variant of concern’.
  • This variant of SARS-CoV-2 has been named Omicron.
  • This variant was first detected in the Botswana region of South Africa on November 24.
  • South Africa is witnessing a sharp increase in covid-19 infection, coinciding with the detection of the Omicron variant.
  • First known confirmed Omicron infection was from a specimen collected on November 9.
  • The newly detected variant has a large number of mutations.
  • Some of the mutations are concerning.

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