英國(guó)研究：混搭接種阿斯利康和輝瑞疫苗可增強(qiáng)對(duì)奧密克戎免疫力

array(1) { [404845]=> array(2) { [2]=> array(3) { [0]=> string(6) "英國(guó)" [1]=> string(6) "疫苗" [2]=> string(6) "輝瑞" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }