Outbreaks of SARS-CoV-2 Infections in Nursing Homes during Periods of Delta and Omicron Predominance, United States, July 2021–March 2022
W. Wyatt Wilson
, Amelia A. Keaton, Lucas G. Ochoa, Kelly M. Hatfield, Paige Gable, Kelly A. Walblay, Richard A. Teran, Meghan Shea, Urooj Khan, Ginger Stringer, Meenalochani Ganesan, Jordan Gilbert, Joanne G. Colletti, Erin M. Grogan, Carly Calabrese, Andrew Hennenfent, Rebecca Perlmutter, Katherine A. Janiszewski, Christina Brandeburg, Ishrat Kamal-Ahmed, Kyle Strand, Matthew Donahue, M. Salman Ashraf, Emily Berns, Jennifer MacFarquhar, Meghan L. Linder, Dat J. Tran, Patricia Kopp, Rebecca M. Walker, Rebekah Ess, James Baggs, John A. Jernigan, Alex Kallen, Jennifer C. Hunter, and Monitoring Outbreaks of Variants in Nursing Homes (MOVIN) Surveillance Team1
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (W.W. Wilson, A.A. Keaton, L.G. Ochoa, K.M. Hatfield, P. Gable, R.A. Teran, J. MacFarquhar, J. Baggs, J.A. Jernigan, A. Kallen, J.C. Hunter); Chicago Department of Public Health, Chicago, Illinois, USA (K.A. Walblay, R.A. Teran); Colorado Department of Public Health and Environment, Denver, Colorado, USA (M. Shea, U. Khan, G. Stringer, M. Ganesan, J. Gilbert); Connecticut Department of Public Health, Hartford, Connecticut, USA (J.G. Colletti, E.M. Grogan); Iowa Department of Health and Human Services, Des Moines, Iowa, USA (C. Calabrese, A. Hennenfent); Maryland Department of Health, Baltimore, Maryland, USA (R. Perlmutter); Massachusetts Department of Public Health, Jamaica Plain, Massachusetts, USA (K.A. Janiszewski, C. Brandeburg); Nebraska Department of Health and Human Services, Lincoln, Nebraska, USA (I. Kamal-Ahmed, K. Strand, M. Donahue, M.S. Ashraf); North Carolina Department of Health and Human Services, Raleigh, North Carolina, USA (E. Berns, J. MacFarquhar); Oregon Health Authority, Portland, Oregon, USA (M.L. Linder, D.J. Tran); South Carolina Department of Health and Environmental Control, Columbia, South Carolina, USA (P. Kopp, R.M. Walker); Utah Department of Health, Salt Lake City, Utah, USA (R. Ess).
Figure 6. Crude risk and RR for all-cause hospitalization and all-cause death for SARS-CoV-2–positive nursing home residents by vaccination status at time of infection among Omicron period outbreaks alone (n = 509), United States, July 2021–March 2022. Values are adjusted for facility-level clustering. RR, risk ratio.
Page created: February 23, 2023
Page updated: March 20, 2023
Page reviewed: March 20, 2023
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.