Differences in the case fatality risks associated with SARS-CoV-2 Delta and non-Delta variants in relation to vaccine coverage: An early ecological study in the United Kingdom.

Differences in the case fatality risks associated with SARS-CoV-2 Delta and non-Delta variants in relation to vaccine coverage: An early ecological study in the United Kingdom.
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SARS-CoV-2 Delta 和非 Delta 变种相关病死风险与疫苗覆盖率的差异:英国的一项早期生态研究

DOI:
10.1016/j.meegid.2021.105162
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发表时间:
2022-01
期刊:
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases
影响因子:
--
通讯作者:
Wang MH
Wang MH
中科院分区:
其他
文献类型:
--
作者:
Zhao S;Lou J;Cao L;Chong KC;Zee BCY;Chan PKS;Wang MH

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SARS-CoV-2 Delta(即,B.1.617.2)变异对大流行控制提出了挑战。我们的分析显示,在英国,非Delta变异病毒的呈报病死率于2021年5月至7月下降,而Delta变异病毒的呈报病死率下降趋势则显得微弱及不显著。疫苗覆盖率和CFR之间的关联可能通过不同的流行变异体进行分层。由于生态学研究设计的局限性,我们的结果的解释应谨慎对待。
The circulation of SARS-CoV-2 Delta (i.e., B.1.617.2) variants challenges the pandemic control. Our analysis showed that in the United Kingdom (UK), the reported case fatality ratio (CFR) decreased from May to July 2021 for non-Delta variant, whereas the decreasing trends of the CFR of Delta variant appeared weak and insignificant. The association between vaccine coverage and CFR might be stratified by different circulating variants. Due to the limitation of ecological study design, the interpretation of our results should be treated with caution.
DOI: 10.1038/s41586-021-03777-9
发表时间: 2021-07-08
期刊: NATURE
影响因子: 64.8
作者:
Planas, Delphine;Veyer, David;Schwartz, Olivier
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影响因子: --
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影响因子: --
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