The highly transmissible omicron variant of the coronavirus has taken over as the dominant strain in the United States, resulting in breakthrough infections among the vaccinated.
Omicron has sparked alarm both internationally and in the United States, where it accounted for more than 98 percent of new infections during the week ending Jan. 8, according to the most recent data from the Centers for Disease Control and Prevention.
The variant has an unusually high number of mutations that make it significantly more contagious and capable of eluding the body’s first line of immune defenses. Read more: https://wapo.st/3tz6gUU. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK
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