NEW: WHO names new Covid strain first identified in southern Africa 'omicron' and calls it a 'variant of concern.'
. If we're detecting those cases with our limited amount of virus sequencing that we're doing around the world, you have to know that this virus is in a number of other countries already," Osterholm said.
But while that might be the case, Osterholm said it was still too soon to say what the impact of the new variant might be. On Friday, shortly after WHO announced it had classified omicron as a variant of concern, the U.S. said it would be restricting travel from South Africa and seven other countries starting Monday.
added six African countries — South Africa, Botswana, Zimbabwe, Lesotho, Eswatini, and Namibia — to its"red list," In the U.K., Gurdasani said that she was personally in favor of introducing a quarantine mandate to all arrivals, regardless of where they were traveling from, and enforcing Covid testing at the border"until we know" more about the new variant.
After some nations saw a slow response to the delta variant, he said,"we must come to learn how to react better the second and third time."
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