根據美國CDC指出，完成接種新冠疫苗的定義為，BNT輝瑞、莫德納及通過WHO緊急授權的AZ疫苗，三者均要完整接種兩劑，以及單劑的嬌生疫苗。若進採取混打或是僅接種一劑，還需要自我隔離7天，由此可見完成疫苗接種的範圍內並不包含「混打」。

No response has been written yet. It is recommended to maintain a healthy skepticism towards it.