With omicron, many vaccinated Americans will at some point test positive. Here’s what to do.

Updated January 5, 2022 at 10:56 a.m. EST|Published December 22, 2021 at 1:43 p.m. EST
A line for a coronavirus testing in New York on Dec. 22. (Spencer Platt/Getty Images)

With the omicron variant spreading rapidly, the United States is all but certain to see a sharp rise in breakthrough coronavirus infections among vaccinated people. These cases were relatively rare in the pre-omicron days, but the new variant has shown an ability to slip past the body’s first line of immune defenses. That means many Americans who have gotten the shots will at some point test positive.

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