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> 新毒株传染性虽未必更强 专家吁定期接种冠病疫苗加强免疫力
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新毒株传染性虽未必更强 专家吁定期接种冠病疫苗加强免疫力
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Bigiron
19-05-2024, 03:23 PM
传染病专家指出,无迹象显示新冠病毒株更具传染性,但早前染病和接种的第一代疫苗已没多大保护作用,民众应定期接种疫苗。
https://zb.sg/LgLh
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