Evidence map›Paper›PMID 36324323›Full record

ArticleOpen forum infectious diseases2022

Predictors of Severe Acute Respiratory Syndrome Coronavirus 2 Seropositivity Before Coronavirus Disease 2019 Vaccination Among Children 0-4 Years and Their Household Members in the SEARCh Study.

Maria Garcia Quesada, Marissa K Hetrich, Scott Zeger, Jayati Sharma, Yu Bin Na, Vic Veguilla, Ruth A Karron, Fatimah S Dawood, Maria D Knoll, SEARCh Study Team

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Article in Open forum infectious diseases, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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2 · The registry

The trial behind it

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

Maria Garcia QuesadaDepartment of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA.ORCID https://orcid.org/0000-0002-0206-7597
Marissa K HetrichDepartment of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA.
Scott ZegerDepartment of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA.
Jayati SharmaDepartment of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA.
Yu Bin NaDepartment of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA.
Vic VeguillaCenters for Disease Control and Prevention, Atlanta, Georgia, USA.
Ruth A KarronDepartment of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA.
Fatimah S DawoodCenters for Disease Control and Prevention, Atlanta, Georgia, USA.
Maria D KnollDepartment of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA.
SEARCh Study Team

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Estimates of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) seroprevalence in young children and risk factors for seropositivity are scarce. Using data from a prospective cohort study of households during the pre-coronavirus disease 2019 (COVID-19) vaccine period, we estimated SARS-CoV-2 seroprevalence by age and evaluated risk factors for SARS-CoV-2 seropositivity. Methods: The SARS-CoV-2 Epidemiology and Response in Children (SEARCh) study enrolled 175 Maryland households (690 participants) with ≥1 child aged 0-4 years during November 2020-March 2021; individuals vaccinated against COVID-19 were ineligible. At enrollment, participants completed questionnaires about sociodemographic and health status and work, school, and daycare attendance. Participants were tested for SARS-CoV-2 antibodies in sera. Logistic regression models with generalized estimating equations (GEE) to account for correlation within households assessed predictors of individual- and household-level SARS-CoV-2 seropositivity. Results: Of 681 (98.7%) participants with enrollment serology results, 55 (8.1%; 95% confidence interval [CI], 6.3%-10.4%) participants from 21 (12.0%) households were seropositive for SARS-CoV-2. Among seropositive participants, fewer children than adults reported being tested for SARS-CoV-2 infection before enrollment (odds ratio [OR] = 0.23; 95% CI, .06-.73). Seropositivity was similar by age (GEE OR vs 0-4 years: 1.19 for 5-17 years, 1.36 for adults; Conclusions: Before study enrollment, children and adults in this cohort had similar rates of SARS-CoV-2 infection as measured by serology. An adult household member working outside the home increased a household's odds of SARS-CoV-2 infection, whereas a child attending daycare or school in person did not.

Indexed as

childrenCOVID-19household transmissionrisk factorsseroprevalence

Identifiers

PMID36324323
PMCPMC9619557

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