How worried should we be about the new 'stealth' Omicron? Our expert weighs in
CNN
As a new subvariant of Omicron spreads rapidly in some parts of the world, CNN Medical Analyst Dr. Leana Wen answers questions about safety for vaccinated people and those who recently had Covid-19.
Because it doesn't cause a certain signature on lab tests called an s-gene target failure, it can look like other coronavirus variants on a first screen. That has some calling it "the stealth variant."
How worried should we about this "stealth" Omicron? Are vaccinated people still protected? What about those who recently had Covid-19—could they be reinfected? And can tests pick up this subvariant?
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