Omicron XBB1.5 'Kraken' subvariant appears to be the most transmissible so far
It may feel like history is repeating itself with yet another strain of the SARS-CoV-2 virus driving up cases of COVID-19. The latest is called XBB.1.5 (nicknamed "Kraken," by some), and it's another descendent of the omicron ...
Jan 19, 2023
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