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Scientists are racing to understand if the Omicron COVID-19 variant has the potential to outpace the globally dominant Delta variant.
World Health Organization officials are advising countries to accelerate vaccination of high-priority groups and revisit public health measures in light of the Omicron variant.
South African scientists first identified the heavily mutated variant earlier this week after an exponential surge in cases.
Imposing travel bans on southern African nations in relation to the COVID-19 Omicron variant could risk disincentivizing sequencing efforts made by doctors in the...

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