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Scientists don’t know how effective vaccines will be against the new variant flagged by a team in South Africa, which displays mutations that might resist neutralization. https://ift.tt/3p4yDX9 https://ift.tt/312zLlz World New York Times November 25, 2021 at 07:00PMWhat we know about the Omicron variant.


By Lynsey Chutel from NYT World https://ift.tt/3p4yDX9
https://ift.tt/3p4yDX9 https://ift.tt/312zLlz New York Times

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