Understanding the Challenges and Uncertainties of Seroprevalence Studies for SARS-CoV-2.

Understanding the Challenges and Uncertainties of Seroprevalence Studies for SARS-CoV-2.
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DOI:
10.3390/ijerph18094640
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发表时间:
2021-04-27
影响因子:
--
通讯作者:
Adams R
Adams R
中科院分区:
综合性期刊3区
文献类型:
--
作者:
McConnell D;Hickey C;Bargary N;Trela-Larsen L;Walsh C;Barry M;Adams R

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SARS-CoV-2 继续在全球人群中广泛传播。检测不足是众所周知的,并且在试图捕获真实患病率时会出现问题。血清阳性率研究是评估特定人群中先前感染该病毒的人数比例的常用方法,其中测试人群样本的血液样本中是否有与 SARS-CoV-2 病毒发生反应的 SARS-CoV-2 抗体。然而,由于多种原因,从血清流行率研究中获得可靠的估计具有挑战性,而且结果的不确定性常常被科学家、政策制定者和媒体忽视。本文回顾了设计这些研究时出现的方法学问题,以及影响结果的不确定性的主要来源。我们讨论了研究人群的选择、受试者的招募、抗体测试准确性的不确定性,以及抗体与感染之间随时间的关系。了解这些问题可以帮助读者解释和批判性评估血清阳性率研究的结果。
SARS-CoV-2 continues to widely circulate in populations globally. Underdetection is acknowledged and is problematic when attempting to capture the true prevalence. Seroprevalence studies, where blood samples from a population sample are tested for SARS-CoV-2 antibodies that react to the SARS-CoV-2 virus, are a common method for estimating the proportion of people previously infected with the virus in a given population. However, obtaining reliable estimates from seroprevalence studies is challenging for a number of reasons, and the uncertainty in the results is often overlooked by scientists, policy makers, and the media. This paper reviews the methodological issues that arise in designing these studies, and the main sources of uncertainty that affect the results. We discuss the choice of study population, recruitment of subjects, uncertainty surrounding the accuracy of antibody tests, and the relationship between antibodies and infection over time. Understanding these issues can help the reader to interpret and critically evaluate the results of seroprevalence studies.
DOI: 10.1016/s1473-3099(20)30773-8
发表时间: 2021-03
期刊: The Lancet. Infectious diseases
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