https://ift.tt/2ZusRFo https://ift.tt/eA8V8J November 28, 2021 at 11:56PM https://www.ndtv.comOn 26 November, 2021, the World Health Organisation (WHO) designated the Covid variant B.1.1.529 a variant of concern, named 'Omicron', on the advice of its Technical Advisory Group on Virus Evolution...
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