Episode 137: Variant Soup
Osterholm Update
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XBB: A Recombinant Form of the Omocron Family
There's been one branch of the Omocron family known as XBB that's circulated around the world. It was formed when two distinct Omocron sub variants were joined together in a host and ended up exchanging certain genetic information which ultimately created this recombinant version. The same thing is true when a virus mutates. Regardless, XBB emerged and over time we did see it start to circulate more widely.
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