Table 2. Antibodies from current KP.2 vaccine neutralize dominant LP.8.1 virus

Boost in neutralizing antibodies (nAb) against JN.1 and offshoots one month after a dose of Moderna 2024-2025 jab in vaccinated adults.

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Fifty adults, average age 54 with vaccination history of at least 2 mRNA shots, including 2023-2024 formula for XBB.1.5, received the Moderna KP.2 booster.

Chart: Henry A. Choy, COVID and Vaccine Update Source: Derived from Moderna data presented at FDA VRBPAC, May 22, 2025. Created with Datawrapper