Efficacy of NVX-CoV2373 Covid-19 Vaccine against the B.1.351 Variant.
N Engl J Med. 2021 May 20;384(20):1899-1909. doi: 10.1056/NEJMoa2103055. Epub 2021 May 5.
N Engl J Med. 2021.
PMID: 33951374
Free PMC article.
Clinical Trial.