Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 26, Number 9—September 2020

Severe Acute Respiratory Syndrome Coronavirus 2 Prevalence, Seroprevalence, and Exposure among Evacuees from Wuhan, China, 2020

Benjamin D. Hallowell1, Christina M. Carlson, Jesica R. Jacobs, Mary Pomeroy, Jonathan Steinberg, Mark W. Tenforde, Emily McDonald, Loretta Foster, Leora R. Feldstein, Melissa A. Rolfes, Amber Haynes, Glen R. Abedi, George S. Odongo, Kim Saruwatari, Errin C. Rider, Gina Douville, Neenaben Bhakta, Panagiotis Maniatis, Stephen Lindstrom, Natalie J. Thornburg, Xiaoyan Lu, Brett L. Whitaker, Shifaq Kamili, Senthilkumar K. Sakthivel, Lijuan Wang, Lakshmi Malapati, Janna R. Murray, Brian Lynch, Martin Cetron, Clive Brown, Shahrokh Roohi, Lisa Rotz, Denise Borntrager, Kenta Ishii, Kathleen Moser, Mohammad Rasheed, Brandi Freeman, Sandra Lester, Kizzmekia S. Corbett, Olubukola M. Abiona, Geoffrey B. Hutchinson, Barney S. Graham, Nicki Pesik, Barbara Mahon, Christopher Braden, Casey Barton Behravesh, Rebekah Stewart, Nancy Knight, Aron J. Hall, and Marie E. KillerbyComments to Author 
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (B.D. Hallowell, C.M. Carlson, J.R. Jacobs, M. Pomeroy, J. Steinberg, M.W. Tenforde, E. McDonald, L. Foster, L.R. Feldstein, M.A. Rolfes, A. Haynes, G.R. Abedi, G.S. Odongo, P. Maniatis, S. Lindstrom, N.J. Thornburg, X. Lu, B.L. Whitaker, S. Kamili, S.K. Sakthivel, L. Wang, L. Malapati, J.R. Murray, B. Lynch, M. Cetron, C. Brown, S. Roohi, L. Rotz, D. Borntrager, K. Ishii, K. Moser, B. Freeman, N. Pesik, B. Mahon, C. Braden, C. Barton Behravesh, R. Stewart, N. Knight, A.J. Hall, M.E. Killerby); Riverside University Health System-Public Health, Riverside, California, USA (K. Saruwatari, E.C. Rider, G. Douville, N. Bhakta); Synergy America Inc., Duluth, Georgia, USA (M. Rasheed, S. Lester); National Institutes of Health, Bethesda, Maryland, USA (K.S. Corbett, O.M. Abiona, G.B. Hutchinson, B.S. Graham); 1Current affiliation: Department of Health, Providence, Rhode Island, USA

Main Article

Table 3

Precautions taken to prevent infection with severe acute respiratory syndrome coronavirus 2 by 193 evacuees while in Wuhan, China*

Precaution No./total no. (%)†
Total, n = 193 Submitted NP or OP sample,‡ n = 191 Submitted serum sample,§ n = 186
Face mask use
Usually wore a face mask in past 2 mo while in public 63/185 (34) 63/184 (34) 63/178 (35)
Usually wore a face mask in past 1 mo while in public after hearing about COVID-19
143/188 (76)
143/187 (76)
138/181 (76)
Limited time in public
In past 1 mo after hearing about COVID-19 178/188 (95) 176/186 (95) 171/181 (94)
By taking the following precautions
Avoided public transport 150/178 (84) 148/176 (84) 144/171 (84)
Avoided public gatherings 154/178 (87) 153/176 (87) 148/171 (87)
Did not attend work¶ 53/123 (43) 53/121 (44) 53/123 (43)
Did not attend school/university# 19/30 (63) 19/30 (63) 15/25 (60)
Avoided all public settings (e.g., grocery stores, restaurants) 125/178 (70) 124/176 (70) 119/171 (70)

*COVID-19, coronavirus disease; NP, nasopharyngeal swab; OP, oropharyngeal swab.
†Data for persons for whom responses were missing were excluded from the denominator.
‡Limited to persons who submitted an NP and/or OP specimen.
§Limited to persons who submitted serum specimen.
¶Limited to persons who reported an occupation (other than student, stay-at-home parent, or retired).
#Limited to persons 2–18 years of age and those reporting student as occupation.

Main Article

Page created: May 27, 2020
Page updated: August 18, 2020
Page reviewed: August 18, 2020
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.