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Volume 27, Number 11—November 2021
Synopsis

Interventions to Disrupt Coronavirus Disease Transmission at a University, Wisconsin, USA, August–October 2020

Dustin W. Currie1Comments to Author , Gage K. Moreno1, Miranda J. Delahoy, Ian W. Pray, Amanda Jovaag, Katarina M. Braun, Devlin Cole, Todd Shechter, Geroncio C. Fajardo, Carol Griggs, Brian S. Yandell, Steve Goldstein, Dena Bushman, Hannah E. Segaloff, G. Patrick Kelly, Collin Pitts, Christine Lee, Katarina M. Grande, Amanda Kita-Yarbro, Brittany Grogan, Sara Mader, Jake Baggott, Allen C. Bateman, Ryan P. Westergaard, Jacqueline E. Tate, Thomas C. Friedrich, Hannah L. Kirking, David H. O’Connor, and Marie E. Killerby
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (D.W. Currie, M.J. Delahoy, I.W. Pray, G.C. Fajardo, D. Bushman, H.E. Segaloff, C. Lee, J.E. Tate, H.L. Kirking, M.E. Killerby); University of Wisconsin–Madison, Madison, Wisconsin, USA (G.K. Moreno, A. Jovaag, K.M. Braun, D. Cole, T. Shechter, C. Griggs, B.S. Yandell, S. Goldstein, P. Kelly, C. Pitts, J. Baggott, R.P. Westergaard, T.C. Friedrich, D.H. O’Connor); Wisconsin Department of Health Services, Madison (I.W. Pray, D. Cole, H.E. Segaloff, R.P. Westergaard); Public Health Madison and Dane County, Madison (K.M. Grande, A. Kita-Yarbro, B. Grogan, S. Mader); Wisconsin State Laboratory of Hygiene, Madison (A.C. Bateman)

Main Article

Table 2

Attack rates of coronavirus disease within dormitories and within roommates for dormitories with >10 cases, University of Wisconsin—Madison, Dane County, Wisconsin, USA, August 25–October 31, 2020*

Dormitory No. residents Residents with confirmed SARS-CoV-2 infection Attack rates in roommates 2–14 d after index case†
Dormitory A 1,195 291/1,195 (24.4) 41/165 (24.8)
Dormitory B 924 295/924 (31.9) 32/172 (18.6)
Dormitory C 478 58/478 (12.1) 7/35 (20.0)
Dormitory D 181 19/181 (10.5) 2/9 (22.2)
Dormitory E 532 51/532 (9.6) 4/37 (10.8)
Dormitory F 384 31/384 (8.1) 5/23 (21.7)
Dormitory G 372 27/372 (7.3) 2/15 (13.3)
Dormitory H 319 20/319 (6.3) 1/14 (7.1)
Dormitory I 435 13/435 (3.0) 2/11 (18.2)
All other dormitories‡
 1,342
 51/1,342 (3.8)
 5/33 (15.2)
Total† 6,162 856/6,162 (13.9) 101/514 (19.6)

*Values are no. positive/no. in category (%). †One room included in the roommate attack rate analysis housed 3 residents, whereas all others housed 2 residents; in the room with 2 susceptible residents, neither tested positive within 2–14 d of the index case. ‡Includes aggregated data from 10 dormitories not listed here that had <10 total cases each; attack rates in these halls were 1.9%–5.6%.

Main Article

1These authors contributed equally to this article.

Page created: September 11, 2021
Page updated: October 19, 2021
Page reviewed: October 19, 2021
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.
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