- Oct 8, 2004
- 18,509
- 25,340
- AFL Club
- Port Adelaide
- Other Teams
- Liverpool
Pfizer-BioNTech booster shots reduce the chance of confirmed infection by a factor of 11.3 and reduce the chances of severe infection by a factor of 19.5. The stud was conducted on 1.1M persons above 60 years of age at least 12 days after the booster shot and at least 5 months after the second shot.
https://www.nejm.org/doi/10.1056/NEJMoa2114255
https://www.nejm.org/doi/10.1056/NEJMoa2114255