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Scientific American

2023-01-19, 22:48
Why COVID's XBB.1.5 'Kraken' Variant Is So Contagious

A new variant of the virus that causes COVID has mutations that make it more transmissible, but vaccines are still likely to protect against severe disease



https://www.scientificamerican.com/artic...ontagious/
www.chinaphonearena.com > Off The Wall > Tech & Science > [Sci-Am] Why COVID's XBB.1.5 'Kraken' Variant Is So Contagious