COVID Vaccines: US FDA Seeks Panel Vote On New Formulation Targeting JN.1 Variant
But agency wants discussion on considerations for the selection of a specific JN.1 lineage strain, such as the KP.2 subvariant, for the 2024-2025 formulation. Although JN.1 sublineages were predominant in the spring, KP.2 is now the most prevalent circulating strain in the US.
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