NEJM:美国新冠肺炎疫苗大规模接种后的疗效评估

2021-09-09 MedSci原创 MedSci原创

美国,BNT162b2、 mRNA-1273以及Ad26.COV2.S这3款疫苗大规模接种后,疫苗在降低新冠肺炎感染住院、ICU治疗及急诊风险方面十分有效

新冠肺炎疫苗对抑制疫情的传播发挥了关键作用,近日研究人员公布了在疫苗大规模接种后,BNT162b2、 mRNA-1273以及Ad26.COV2.S这3款疫苗对降低重症高风险人员新冠肺炎住院、ICU风险以及新冠肺炎急诊入院风险的效果。

年龄在50岁以上,因疑似新冠肺炎接受核酸检测的患者参与研究,包含2021年1月1日至6月22日期间,187家医院的41552例住院病例,221个急诊中心的21522例病例就诊情况。根据电子健康记录和免疫接种登记情况,获得患者疫苗接种状况,研究的主要终点为疫苗的有效性。

在完成mRNA疫苗接种后(第二次接种后14天),疫苗预防SARS-CoV-2感染导致住院的有效性为89%(95%CI:87-91),对预防ICU入院的有效性为90%,对预防新冠肺炎相关急诊就诊的有效性为91%BNT162b2和mRNA-1273疫苗的防护效果,在85岁以上高龄、患有慢性疾病以及黑人或西班牙裔人群中,其防护的有效性范围为81%至95%。Ad26.COV2.S疫苗对SARS-CoV-2感染住院的防护效果为68%,预防新冠肺炎相关急诊就诊的有效性为73%。

美国,BNT162b2、 mRNA-1273以及Ad26.COV2.S这3款疫苗大规模接种后,疫苗在降低新冠肺炎感染住院、ICU治疗及急诊风险方面十分有效

原始出处:

Mark G. Thompsonet al. Effectiveness of Covid-19 Vaccines in Ambulatory and Inpatient Care Settings. N Engl J Med,September 9,2021.

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    2022-03-06 ylz8403
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    2021-09-09 公卫新人

    新冠肺炎,疫情何时才能消失

    0

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    2021-09-09 内科新手

    谢谢梅斯提供这么好的信息,学到很多

    0

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    2021-09-09 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

    0

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    2021-09-09 公卫新人

    新冠肺炎,疫情何时才能消失

    0

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