Risk Factors for SARS-CoV-2 Infection among US Healthcare Personnel, May-December 2020

Nora Chea, Cedric J. Brown, Taniece Eure, Rebecca Alkis Ramirez, Gregory Blazek, Austin R. Penna, Ruoran Li, Christopher A. Czaja, Helen Johnston, Devra Barter, Betsy Feighner Miller, Kathleen Angell, Kristen E. Marshall, Ashley Fell, Sara Lovett, Sarah Lim, Ruth Lynfield, Sarah Shrum Davis, Erin C. Phipps, Marla SieversGhinwa Dumyati, Cathleen Concannon, Kathryn McCullough, Amy Woods, Sandhya Seshadri, Christopher Myers, Rebecca Pierce, Valerie L.S. Ocampo, Judith A. Guzman-Cottrill, Gabriela Escutia, Monika Samper, Nicola D. Thompson, Shelley S. Magill, Cheri T. Grigg

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


To determine risk factors for coronavirus disease (COVID-19) among US healthcare personnel (HCP), we conducted a case-control analysis. We collected data about activities outside the workplace and COVID- 19 patient care activities from HCP with positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) test results (cases) and from HCP with negative test results (controls) in healthcare facilities in 5 US states. We used conditional logistic regression to calculate adjusted matched odds ratios and 95% CIs for exposures. Among 345 cases and 622 controls, factors associated with risk were having close contact with persons with COVID-19 outside the workplace, having close contact with COVID-19 patients in the workplace, and assisting COVID-19 patients with activities of daily living. Protecting HCP from COVID-19 may require interventions that reduce their exposures outside the workplace and improve their ability to more safely assist COVID-19 patients with activities of daily living.

Original languageEnglish (US)
Pages (from-to)95-103
Number of pages9
JournalEmerging infectious diseases
Issue number1
StatePublished - Jan 2022
Externally publishedYes

ASJC Scopus subject areas

  • Epidemiology
  • Microbiology (medical)
  • Infectious Diseases


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