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The new Omicron variant of the Covid-19 virus was discovered by scientists in South Africa and Botswana, the only countries in southern Africa that have the skills and resources to detect a new variant. On November 23, scientists in Botswana uploaded 99 Sars-CoV-2 genome sequences to the Wellcome Sanger Institute in the United Kingdom, which has operated as a clearing house for more than a million such sequences from dozens of countries since March 2020.
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