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NBC Nightly News with Lester Holt
NIGHTLY 6:30/5:30c

‘Stealth’ version of omicron variant discovered in California

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According to some experts, a new “stealth” version of the omicron variant, discovered in California, seems to be harder to detect and is even more contagious, though it’s unclear how dangerous it is. This comes as more people are being infected with Covid-19 for a second time. 

Appearing:Lester Holt
Tags: health, International News, Lester Holt, Making A Difference, NBC Nightly News, National News, news, nightly news, U.S. News, Breaking News, Evening News, politics, World News
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