Phase 3 Safety and Efficacy of AZD1222 (ChAdOx1 nCoV-19) Covid-19 Vaccine.
N Engl J Med. 2021 Dec 16;385(25):2348-2360. doi: 10.1056/NEJMoa2105290. Epub 2021 Sep 29.
N Engl J Med. 2021.
PMID: 34587382
Free PMC article.
Clinical Trial.