SARS-CoV-2 seroprevalence and determinants of infection in young adults: a population-based seroepidemiological study

被引：3

作者：

Backhaus, I ^{[1
,2
]}

Hermsen, D. ^{[3
]}

Timm, J. ^{[4
]}

Boege, F. ^{[3
]}

Luebke, N. ^{[4
]}

Degode, T. ^{[5
]}

Goebels, K. ^{[5
]}

Dragano, N. ^{[1
,2
]}

机构：

[1] Heinrich Heine Univ, Med Fac, Ctr Hlth & Soc, Inst Med Sociol, Dusseldorf, Germany

[2] Heinrich Heine Univ, Univ Hosp, Dusseldorf, Germany

[3] Heinrich Heine Univ, Univ Hosp, Cent Inst Clin Chem & Lab Diagnost, Dusseldorf, Germany

[4] Heinrich Heine Univ, Univ Hosp, Inst Virol, Dusseldorf, Germany

[5] Publ Hlth Author, Dusseldorf, Germany

来源：

PUBLIC HEALTH | 2022年 / 207卷

关键词：

Seroprevalence; SARS-CoV-2; antibodies; COVID-19; Young adults;

D O I：

10.1016/j.puhe.2022.03.009

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

Objectives: Most SARS-CoV-2 seroprevalence studies have focussed on adults and high-risk populations, and little is known about young adults. The objective of the present study was to provide evidence on the SARS-CoV-2 seroprevalence among young adults in Germany and to explore determinants associated with seropositivity in general and, specifically, with previously undetected infections. Study design: This was a population-based SARS-CoV-2 seroprevalence study. Methods: In November 2020, a population-based study on SARS-CoV-2 seroprevalence in young adults (aged 18-30 years) was conducted in a large German city. Serum samples were obtained to analyse the SARS-CoV-2 antibody status using the Elecsys Anti-SARS-CoV-2 immunoassay. Descriptive statistics and odds ratios (ORs) of seropositivity and of previously undetected infections in relation to different determinants were calculated. Results: Among 2186 participants, SARS-CoV-2 antibodies were detected in 72 individuals, equalling a test performance-adjusted seroprevalence of 3.1% (95% confidence interval [CI]: 2.4-4.0). Based on reported COVID-19 cases to the public health authority, a moderate underascertainment rate of 1.7 was calculated. Seropositivity was higher among individuals who sought COVID-19-related information from social media (OR: 1.83, 95% CI: 1.2-3.1), and undetected COVID-19 infections were more prevalent among men and those not adhering to social distancing. Conclusions: The results show a substantial underascertainment of SARS-CoV-2 infections among young adults and indicate that seroprevalence is likely to be much higher than the reported COVID-19 prevalence based on confirmed COVID-19 cases in Germany. Preventive efforts should consider the heterogeneity of risk profiles among the young adult population. ?? 2022 The Royal Society for Public Health. Published by Elsevier Ltd. All rights reserved.

引用

页码：54 / 61

页数：8

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