Coronavirus disease 2019 (COVID-19) vaccine breakthrough infections among healthcare personnel, December 2020-April 2021

Katelin B Nickel; Victoria J Fraser; Hilary M Babcock; Jennie H Kwon; CDC Prevention Epicenters Program

doi:10.1017/ash.2022.299

Coronavirus disease 2019 (COVID-19) vaccine breakthrough infections among healthcare personnel, December 2020-April 2021

Antimicrob Steward Healthc Epidemiol. 2022 Oct 13;2(1):e169. doi: 10.1017/ash.2022.299. eCollection 2022.

Authors

Katelin B Nickel¹, Victoria J Fraser¹, Hilary M Babcock¹, Jennie H Kwon¹; CDC Prevention Epicenters Program

Affiliation

¹ Division of Infectious Diseases, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri.

Abstract

Coronavirus disease 2019 (COVID-19) vaccine effectiveness in the early months of vaccine availability was high among healthcare personnel (HCP) at 88.3% for 2-doses. Among those testing positive for severe acute respiratory coronavirus virus 2 (SARS-CoV-2), those with breakthrough infection after vaccination were more likely to have had a non-work-related SARS-CoV-2 exposure compared to unvaccinated HCP.