Moderna said Tuesday its Covid-19 vaccine was 100% effective in a study of adolescents ages 12 to 17, making it the second shot behindPfizer's to demonstrate high efficacy in younger age groups.The ...
网页链接Moderna said Tuesday its Covid-19 vaccine was 100% effective in a study of adolescents ages 12 to 17, making it the second shot behindPfizer's to demonstrate high efficacy in younger age groups.The ...
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