[서울신문] Pfizer, 95% prevention effect’best’… Janssen and AstraZeneca have side effects such as nervous system
![[서울신문] Pfizer, 95% prevention effect’best’… Janssen and AstraZeneca have side effects such as nervous system](https://img.seoul.co.kr/img/upload/2020/12/24/SSI_20201224172653.jpg "[서울신문] Pfizer, 95% prevention effect’best’… Janssen and AstraZeneca have side effects such as nervous system")