Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2023 Oct;44(10):1698-1700.
doi: 10.1017/ice.2023.29. Epub 2023 Mar 6.

Incidence and outcomes of hospital-associated coronavirus disease 2019 (COVID-19) before and after emergence of the severe acute respiratory coronavirus virus 2 (SARS-CoV-2) omicron variant

Victoria R Williams  1 , Charlie Tan  1   2 , Robert Kozak  3 , Jerome A Leis  1   2
Affiliations

Incidence and outcomes of hospital-associated coronavirus disease 2019 (COVID-19) before and after emergence of the severe acute respiratory coronavirus virus 2 (SARS-CoV-2) omicron variant

Victoria R Williams et al. Infect Control Hosp Epidemiol. 2023 Oct.
No abstract available

PubMed Disclaimer

Conflict of interest statement

Dr. Leis has received payment for expert testimony as requested by hospitals of the Ontario Hospital Association, Ministry of Attorney General of Ontario, and Seneca College. All other authors have no conflicts of interest related to this research.

References

    1. Guo Y, Han J, Zhang Y et al. SARS-CoV-2 omicron variant: epidemiological features, biological characteristics, and clinical significance. Front Immunol 2022;13:877101. - PMC - PubMed
    1. Adjei S, Hong K, Molinari NAM, et al. Mortality risk among patients hospitalized primarily for COVID-19 during the omicron and delta variant pandemic periods—United States, April 2020–June 2022. Morb Mortal Wkly Rep 2022;71:1182–1189. - PMC - PubMed
    1. Williams VR, Chan CK, Chan AK, et al. Impact of universal admission testing for severe acute respiratory coronavirus 2 (SARS-CoV-2) in era of the omicron variant. Infect Control Hosp Epidemiol 2023;44:102–105. - PubMed
    1. Klompas M, Padolfi MC, Nisar AB, Baker MA, Rhee C. Association of omicron vs wild-type SARS-CoV-2 variants with hospital-onset SARS-CoV-2 infections in a US regional hospital system. JAMA 2022;328:296–298. - PMC - PubMed
    1. Holowka T, DiBiase LM, Sickbert-Bennett E, Teal LJ, Weber DJ. Characterization of healthcare-associated infections with the severe acute respiratory coronavirus virus 2 (SARS-CoV-2) omicron variant at a tertiary healthcare center. Infect Control Hosp Epidemiol 2023;44:133–135. - PMC - PubMed

Supplementary concepts