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Volume 28, Number 7—July 2022

Vaccine Effectiveness during Outbreak of COVID-19 Alpha (B.1.1.7) Variant in Men’s Correctional Facility, United States

Rachel A. Silverman1, Alessandro Ceci1, Alasdair Cohen, Meagan Helmick, Erica Short, Paige Bordwine, Michael J. Friedlander, and Carla V. FinkielsteinComments to Author 
Author affiliations: Virginia Tech, Blacksburg, Virginia, USA (R.A. Silverman, A. Cohen, M.J. Friedlander, C.V. Finkielstein); Fralin Biomedical Research Institute, Roanoke, Virginia, USA (A. Ceci, M.J. Friedlander, C.V. Finkielstein); Virginia Department of Health, Richmond, Virginia, USA (M. Helmick, E. Short, P. Bordwine).

Main Article


Relative risk of SARS-CoV-2 infection among incarcerated persons during an outbreak at a men’s correctional facility in rural Virginia, April 2021*

Characteristic Unadjusted
No. persons RR (95% CI) No. persons RR (95% CI)
Unvaccinated vs. fully vaccinated 791 7.77 (4.75–12.69)† 787 8.82 (5.23–14.90)†
Age, 1 y increase 791 0.99 (0.98–1.01) 787 1.03 (1.01–1.05)‡
Race. Black vs. White
1.96 (1.19–3.258)‡

1.51 (0.91–2.49)
Stratified by vaccine status
Fully vaccinated
Age, 1 y increase 557 1.01 (0.97–1.05) 554 1.01 (0.97–1.05)
Race, Black vs. White 554 1.21 (0.48–3.02) 554 1.24 (0.49–3.14)
Age, 1 y increase 234 1.03 (1.01–1.05)‡ 233 1.04 (1.01–1.06)‡
Race, Black vs. White 233 1.40 (0.79–2.49) 233 1.70 (0.92–3.14)

*Relative risk calculated using Poisson regression. RR, relative risk. †p<0.001. ‡p<0.01.

Main Article

1These authors contributed equally to this article.

Page created: May 21, 2022
Page updated: June 18, 2022
Page reviewed: June 18, 2022
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