World Health Organization Director-General addressed the new omicron variant of COVID-19 during a special session of the World Health Assembly Monday.
The World Health Organization warned on Sunday that its overall global risk is "very high".
The strand, which has double the number of mutations of the delta variant, is highly contagious and has led to cases being found worldwide.
The UK, Germany and Italy all confirmed the presence of omicron on Nov 27, a day after the variant - which was first detected in South Africa - was reported to be in Belgium.
Scotland, Australia, Botswana, Denmark, Hong Kong, Israel, the Netherlands, France and Canada have all also reported cases.
Read more here: https://www.telegraph.co.uk/news/0/omicron-covid-variant-new-mutation-symptoms-vaccine-efficacy/
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