[사회]Pfizer seems to be the first vaccine introduced… Cold chain and approval process preparation’arrival’
[사회]Pfizer seems to be the first vaccine introduced… Cold chain and approval process preparation’arrival’
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![[사회]Pfizer seems to be the first vaccine introduced… Cold chain and approval process preparation’arrival’](https://image.ytn.co.kr/general/jpg/2021/0121/202101212221486510_t.jpg "[사회]Pfizer seems to be the first vaccine introduced… Cold chain and approval process preparation’arrival’")
![[사회]Pfizer seems to be the first vaccine introduced… Cold chain and approval process preparation’arrival’](https://image.ytn.co.kr/general/jpg/2021/0121/202101211947217510_t.jpg "[사회]Pfizer seems to be the first vaccine introduced… Cold chain and approval process preparation’arrival’")