Waning of BNT162b2 Vaccine Protection against SARS-CoV-2 Infection in Qatar.
N Engl J Med. 2021 Dec 9;385(24):e83. doi: 10.1056/NEJMoa2114114. Epub 2021 Oct 6.
N Engl J Med. 2021.
PMID: 34614327
Free PMC article.