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Editorial
. 2021 Aug 12;385(7):650-651.
doi: 10.1056/NEJMe2110605. Epub 2021 Jul 21.

Vaccine Effectiveness Studies in the Field

Stephen J W Evans  1 , Nicholas P Jewell  1
Affiliations
Editorial

Vaccine Effectiveness Studies in the Field

Stephen J W Evans et al. N Engl J Med. .
No abstract available

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Comment on

  • Effectiveness of Covid-19 Vaccines against the B.1.617.2 (Delta) Variant.
    Lopez Bernal J, Andrews N, Gower C, Gallagher E, Simmons R, Thelwall S, Stowe J, Tessier E, Groves N, Dabrera G, Myers R, Campbell CNJ, Amirthalingam G, Edmunds M, Zambon M, Brown KE, Hopkins S, Chand M, Ramsay M. Lopez Bernal J, et al. N Engl J Med. 2021 Aug 12;385(7):585-594. doi: 10.1056/NEJMoa2108891. Epub 2021 Jul 21. N Engl J Med. 2021. PMID: 34289274 Free PMC article.

References

    1. Vasileiou E, Simpson CR, Shi T, et al. Interim findings from first-dose mass COVID-19 vaccination roll-out and COVID-19 hospital admissions in Scotland: a national prospective cohort study. Lancet 2021;397:1646-1657. - PMC - PubMed
    1. Lopez Bernal J, Andrews N, Gower C, et al. Effectiveness of Covid-19 vaccines against the B.1.617.2 (delta) variant. N Engl J Med. DOI: 10.1056/NEJMoa2108891. - DOI - PubMed
    1. Chua H, Feng S, Lewnard JA, et al. The use of test-negative controls to monitor vaccine effectiveness: a systematic review of methodology. Epidemiology 2020;31:43-64. - PMC - PubMed
    1. Skowronski DM, Setayeshgar S, Zou M, et al. Single-dose mRNA vaccine effectiveness against SARS-CoV-2, including P.1 and B.1.1.7 variants: a test-negative design in adults 70 years and older in British Columbia, Canada. June 9, 2021. (https://www.medrxiv.org/content/10.1101/2021.06.07.21258332v1). preprint. - PMC - PubMed
    1. Hitchings MDT, Ranzani OT, Torres MSS, et al. Effectiveness of CoronaVac among healthcare workers in the setting of high SARS-CoV-2 gamma variant transmission in Manaus, Brazil: a test-negative case-control study. June 24, 2021. (https://www.medrxiv.org/content/10.1101/2021.04.07.21255081v4.full). preprint. - PMC - PubMed