subvariant
Omicron subvariant BA.2: Health officials call it ‘variant of concern’
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NEWYou can now listen to Fox News articles! The subvariant omicron BA.2 has health officials’ attention, just as COVID restrictions ...
Cases of ‘stealth’ omicron subvariant confirmed in Northeast states: reports
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Two Northeast states reported cases of the omicron subvariant BA.2 this week. The “stealth” version of omicron has genetic traits that ...
