[코로나19] What is the key to vaccination preparation?… Vaccination Center·Cold Chain·Vaccination Strategy
![[코로나19] What is the key to vaccination preparation?… Vaccination Center·Cold Chain·Vaccination Strategy](https://image.ajunews.com/content/image/2021/01/24/20210124220804336017.jpg "[코로나19] What is the key to vaccination preparation?… Vaccination Center·Cold Chain·Vaccination Strategy")