Letter to the editor: More data on vaccine efficacy/effectiveness of COVID-19 vaccines against asymptomatic SARS-CoV-2 infection

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Letter to the editor: More data on vaccine efficacy/effectiveness of COVID-19 vaccines against asymptomatic SARS-CoV-2 infection
Ying-Wen Chen¹ , Wen-Chien Ko^1,2
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Affiliations: ¹ Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan ² Department of Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan

Correspondence:
Wen-Chien Ko
winston3415 gmail.com
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Citation style for this article: Chen Ying-Wen, Ko Wen-Chien. Letter to the editor: More data on vaccine efficacy/effectiveness of COVID-19 vaccines against asymptomatic SARS-CoV-2 infection. Euro Surveill. 2021;26(35):pii=2100826. https://doi.org/10.2807/1560-7917.ES.2021.26.35.2100826 Received: 25 Aug 2021; Accepted: 01 Sept 2021

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2021-09-02

2025-02-23

/content/10.2807/1560-7917.ES.2021.26.35.2100826

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References

Harder T, Koch J, Vygen-Bonnet S, Külper-Schiek W, Pilic A, Reda S, et al. Efficacy and effectiveness of COVID-19 vaccines against SARS-CoV-2 infection: interim results of a living systematic review, 1 January to 14 May 2021. Euro Surveill. 2021;26(28):2100563. https://doi.org/10.2807/1560-7917.ES.2021.26.28.2100563 PMID: 34269175
Emary KRW, Golubchik T, Aley PK, Ariani CV, Angus B, Bibi S, et al. Efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine against SARS-CoV-2 variant of concern 202012/01 (B.1.1.7): an exploratory analysis of a randomised controlled trial. Lancet. 2021;397(10282):1351-62. https://doi.org/10.1016/S0140-6736(21)00628-0 PMID: 33798499
Dagan N, Barda N, Kepten E, Miron O, Perchik S, Katz MA, et al. BNT162b2 mRNA Covid-19 vaccine in a nationwide mass vaccination setting. N Engl J Med. 2021;384(15):1412-23. https://doi.org/10.1056/NEJMoa2101765 PMID: 33626250
Vaccines and Related Biological Products Advisory Committee, U.S.Food and Drug Administration (FDA). mRNA–1273. Sponsor briefing document addendum. Silver Spring: FDA; 17 Dec 2020. Available from: https://www.fda.gov/media/144453/download

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