Is a’vaccine passport’ required to travel abroad? Promote proof of vaccination upon entry to the US and EU
![[국제]Let’s make a’vaccine passport’ in China too?…Vaccine reliability is’variable’](https://image.ytn.co.kr/general/jpg/2021/0303/202103032111437973_t.jpg "[국제]Let’s make a’vaccine passport’ in China too?…Vaccine reliability is’variable’")
