The 'Kraken' subvariant XBB.1.5 sounds scary. But behind the headlines are clues to where COVID's heading
The XBB.1.5 subvariant, known informally as "Kraken," is the latest in a menagerie of Omicron subvariants to dominate the headlines, following increasing detection in the United States and United Kingdom.
Feb 3, 2023
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