时事大家谈：辉瑞称疫苗适于5-11岁儿童 如何推动接种？
Synopsis
辉瑞宣布，最新试验数据显示，辉瑞疫苗对5-11岁的儿童安全有效，计划尽快向FDA申请紧急授权。虽然儿童的感染率和死亡率低， ...
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