화이자백신의 효능이 새로 공개 되었습니다.
카타르에서 국민들 265000명 대상으로 접종하고 얻은 데이타라 합니다.
영국발 변이89.5%,
남아공 변이에도 75% 의 효능을(감염을 막아주는) 보이고 있다고 합니다.
감염사례에서도 중증 혹은 사망까지가는것을 막는 효과는 97.4%
The estimated effectiveness of the vaccine against any documented infection with the B.1.1.7 variant was 89.5% (95% confidence interval [CI], 85.9 to 92.3) at 14 or more days after the second dose (Table 1 and Table S2). The effectiveness against any documented infection with the B.1.351 variant was 75.0% (95% CI, 70.5 to 78.9). Vaccine effectiveness against severe, critical, or fatal disease due to infection with any SARS-CoV-2 (with the B.1.1.7 and B.1.351 variants being predominant within Qatar) was very high, at 97.4% (95% CI, 92.2 to 99.5).
https://twitter.com/NEJM/status/1390059981609734145?s=20