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这篇文章很有问题。政府宣传2针就够,测试人群也是2针居多,(2岁以下2针1166人,3针只有386人,退出只有10人,就是说2针数据是有的)。但为什么结论是3针有效而对市场上宣传的主流2针效率不提?

A three-dose primary series of 3-μg BNT162b2 was safe, immunogenic, and efficacious in children 6 months to 4 years of age. (Funded by BioNTech and Pfizer; ClinicalTrials.gov number, NCT04816643.).
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