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Repeated antigen testing among severe acute respiratory coronavirus virus 2 (SARS-CoV-2)–positive nursing home residents

Published online by Cambridge University Press:  20 August 2021

Erin D. Moritz*
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
Susannah L. McKay
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
Farrell A. Tobolowsky
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
Stephen P. LaVoie
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
Michelle A. Waltenburg
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
Kristin D. Lecy
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
Natalie J. Thornburg
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
Jennifer L. Harcourt
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
Azaibi Tamin
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
Jennifer M. Folster
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
Jeanne Negley
Affiliation:
Acute Disease Epidemiology, Georgia Department of Public Health, Atlanta, Georgia
Allison C. Brown
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
L. Clifford McDonald
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
Preeta K. Kutty
Affiliation:
COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
*
Author for correspondence: Erin D. Moritz, E-mail: emoritz@cdc.gov

Abstract

Repeated antigen testing of 12 severe acute respiratory coronavirus virus 2 (SARS-CoV-2)–positive nursing home residents using Abbott BinaxNOW identified 9 of 9 (100%) culture-positive specimens up to 6 days after initial positive test. Antigen positivity lasted 2–24 days. Antigen positivity might last beyond the infectious period, but it was reliable in residents with evidence of early infection.

Type
Concise Communication
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of The Society for Healthcare Epidemiology of America

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Footnotes

a

CDC Infection Prevention and Control Group: Amelia Bhatnagar BS1, Malania M. Wilson MS1, Kelly M. Hatfield MSPH1, Sarah E. Gilbert MPH1, James L. Dawson PhD1, Jonathan Bryant-Genevier PhD1, Matthew J. Hudson MD1, Geroncio C. Fajardo MD1, David A. Jackson MD1, Laura G. Brown PhD1, Juliana Carvalho DaSilva MA1 and Melia Haile MPH.1

References

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