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2024年5月6日 · The updated vaccine targets the XBB.1.5 Omicron strain and is expected to be effective against currently circulating variants. Pfizer’s and Moderna’s vaccines, which use mRNA technology, are ...
- Rebecca Corey
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2024年5月13日 · The new "FLiRT" COVID-19 variants, including KP.2, are spreading in the United States. Will there be a summer surge? Experts discuss KP.2 transmission, symptoms, and vaccines.