WHO designates new COVID strain Omicron as ‘variant of concern’
Several countries impose travel restrictions as new variant detected in South Africa raises global alarm.
source https://www.aljazeera.com/news/2021/11/26/who-designates-new-covid-strain-omicron-variant-of-concern
source https://www.aljazeera.com/news/2021/11/26/who-designates-new-covid-strain-omicron-variant-of-concern
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