'Stealth' omicron variant BA.2 circulating in almost half of US, but CDC exercises caution: report

'Stealth' omicron variant BA.2 circulating in almost half of US, but CDC exercises caution: report
By Shiv Sudhakar

There are now at least 127 known cases of the subvariant BA.2 circulating in almost half of the United States that international experts suggest is more contagious as omicron,





January 30, 2022 at 01:25AM
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