The first U.S. omicron case was identified Wednesday – about a week after its discovery in South Africa. While there are concerns about the variant’s transmissibility, the number of mutations it possesses make it easier to detect than other strains.

Omicron's mutations are concerning, but also make the variant easier to detect

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Omicron's mutations are concerning, but also make the variant easier to detect

Omicron's mutations are concerning, but also make the variant easier to detect