People line up at an Air France counter at OR Tambo International Airport in Johannesburg on Friday. A slew of nations, including the U.S., moved to stop air travel from southern Africa on Friday in reaction to news of a new, potentially more transmissible coronavirus variant that has been detected in South Africa. (Jerome Delay / The Associated Press)
People line up at an Air France counter at OR Tambo International Airport in Johannesburg on Friday. (Jerome Delay / The Associated Press)
Health

UW scientist weighs in on spread of new omicron COVID variant

Omicron, the world's newest coronavirus variant of concern, hasn't yet been detected in Washington state or the United States, but a microbiologist at UW Medicine said that its number of mutations is concerning. Updated

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