Bivalent booster cuts risk of XBB.1.5 symptomatic infection by about half
Published
Meanwhile, the highly transmissible Omicron subvariant XBB.1.5 — nicknamed “the Kraken” by some — is now the dominant SARS-CoV-2 strain in the U.S., projected by the CDC to make up just over 49 percent of cases in the country as of last week. Earlier this month, the WHO said XBB.1.5 is the most…
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