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. 2022 Jul;48(4):417-422.
doi: 10.1016/j.jen.2022.04.003. Epub 2022 Apr 22.

COVID-19 Seroprevalence in ED Health Care Professionals Study: A Cross-Sectional Study

Brian J Yun, Joshua J Baugh, Sayon Dutta, David F M Brown, Elizabeth S Temin, Sarah E Turbett, Erica S Shenoy, Paul D Biddinger, Anand S Dighe, Kyle Kays, Blair Alden Parry, Brenna McKaig, Caroline Beakes, Justin Margolin, Nicole Russell, Carl Lodenstein, Dustin S McEvoy, Michael R Filbin

COVID-19 Seroprevalence in ED Health Care Professionals Study: A Cross-Sectional Study

Brian J Yun et al. J Emerg Nurs. 2022 Jul.

Abstract

Introduction: ED health care professionals are at the frontline of evaluation and management of patients with acute, and often undifferentiated, illness. During the initial phase of the SARS-CoV-2 outbreak, there were concerns that ED health care professionals may have been at increased risk of exposure to SARS-CoV-2 due to difficulty in early identification of patients. This study assessed the seroprevalence of SARS-CoV-2 antibodies among ED health care professionals without confirmed history of COVID-19 infection at a quaternary academic medical center.

Methods: This study used a cross-sectional design. An ED health care professional was deemed eligible if they had worked at least 4 shifts in the adult emergency department from April 1, 2020, through May 31, 2020, were asymptomatic on the day of blood draw, and were not known to have had prior documented COVID-19 infection. The study period was December 17, 2020, to January 27, 2021. Eligible participants completed a questionnaire and had a blood sample drawn. Samples were run on the Roche Cobas Elecsys Anti-SARS-CoV-2 antibody assay.

Results: Of 103 health care professionals (16 attending physicians, 4 emergency residents, 16 advanced practice professionals, and 67 full-time emergency nurses), only 3 (2.9%; exact 95% CI, 0.6%-8.3%) were seropositive for SARS-CoV-2 antibodies.

Discussion: At this quaternary academic medical center, among those who volunteered to take an antibody test, there was a low seroprevalence of SARS-CoV-2 antibodies among ED clinicians who were asymptomatic at the time of blood draw and not known to have had prior COVID-19 infection.

Keywords: COVID-19 antibody; COVID-19 seroprevalence; SARS-CoV-2 antibody; SARS-CoV-2 seroprevalence.

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