美国食品药品监督管理局（FDA）的疫苗顾问小组已投票支持一项建议，即在2026-2027年度的新冠疫苗接种活动中，应将疫苗的靶点更新为当前流行的Jn.1谱系Xfg变异株。这一决定标志着公共卫生机构在应对病毒持续演变方面迈出了关键一步。
专家组的建议旨在确保即将上市的新一代疫苗能够更有效地匹配预期在下一个流感季占主导地位的病毒株。此举预计将影响包括
市场分析人士指出，这一明确的官方建议为疫苗行业提供了未来一年的研发方向，可能影响相关公司的产品管线规划与市场预期。随着病毒变异，疫苗的定期更新已成为新常态，以确保其防护效力。最终决定权仍在FDA，但通常其会采纳顾问委员会的建议。
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