Preliminary results of an ongoing study in the United Kingdom suggest alternating the Oxford-AstraZeneca and Pfizer-BioNTech vaccines causes more frequent mild to moderate symptoms, but there are no other safety concerns from mixing those vaccines.
英国正在进行的一项研究的初步结果表明,交替使用牛津-阿斯利康和辉瑞-生物科技的疫苗会导致更频繁的轻到中度症状,但混合这些疫苗没有其他安全问题。