The new SARS-CoV-2 omicron variant XBB.1.16 has spurred increased hospitalizations and deaths in some countries. In the U.S., the dominant variant is still XBB.1.5, but health officials say other variants are on the rise.
The new SARS-CoV-2 omicron variant XBB.1.16 has spurred increased hospitalizations and deaths in some countries. In the U.S., the dominant variant is still XBB.1.5, but health officials say other variants are on the rise.
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