479 . SenGupta T, et al. Cell Rep. 2021 Sep 7;36(10):109668. doi: 10.1016/j.celrep.2021.109668. Cell Rep. 2021. PMID: 34496255 . Expert Rev Vaccines. 2021 Sep 9:1-9. doi: 10.1080/14760584.2021.1976153. Online ahead of print. Expert Rev Vaccines. 2021. PMID: 34488546 Free PMC article. . Free PMC article. Review. . N Engl J Med. 2021 Sep 9;385(11):1018-1032. doi: 10.1056/NEJMra2101555. N Engl J Med. 2021. PMID: 34496176 Review. .