Pfizer covid vaccine booster is full size (the same dosage as regular covid vaccine). Moderna covid vaccine booster is half of the regular vaccine size.
I would suggest to either go with two Pfizer vaccines or one Moderna regular vaccine to start with.
不知道是不是可以直接打booster？
谢谢
Moderna covid vaccine booster is half of the regular vaccine size.
I would suggest to either go with two Pfizer vaccines or one Moderna regular vaccine to start with.
朋友国内两针出来6个月以后检测0抗体，然后又挨了三针辉瑞