Doctors say it takes several years from a common vaccine to go from development to when you can get a shot in a doctor's office, but researchers are trying to make this happen for a coronavirus injection within a matter of months.
医生表示,一种普通的疫苗自研发开始,直到成为能在医师办公室注射的疫苗需要数年时间,但研究人员正试图在几个月内实现冠状病毒疫苗的注射。