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Volume 26, Number 12—December 2020
Research

SARS-CoV-2 Seroprevalence among Healthcare, First Response, and Public Safety Personnel, Detroit Metropolitan Area, Michigan, USA, May–June 2020

Lara J. AkinbamiComments to Author , Nga Vuong, Lyle R. Petersen, Samira Sami, Anita Patel, Susan L. Lukacs, Lisa Mackey, Lisa A. Grohskopf, Amy Shehu, and Jenny Atas
Author affiliations: Centers for Disease Control and Prevention, Hyattsville, Maryland, USA (L.J. Akinbami, S.L. Lukacs); US Public Health Service, Rockville, Maryland, USA (L.J. Akinbami, S.L. Lukacs, L.A. Grohskopf); Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (N. Vuong, L.R. Petersen, L. Mackey); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (S. Sami, A. Patel, L.A. Grohskopf); Epidemic Intelligence Service, Atlanta (S. Sami); Region 2 South Healthcare Coalition, Detroit, Michigan, USA (A. Shehu, J. Atas)

Main Article

Table 1

Seropositivity for SARS-CoV-2 among healthcare, first response, and public safety personnel, by demographic characteristics, Detroit metropolitan area, Michigan, USA, May–June 2020*

Characteristics No. (%) % Seropositive (95% CI)
Total
 16,397 (100.0)
 6.9 (6.5–7.3)
Age group, y†
18–24 686 (4.2) 7.9 (6.0–10.2)
25–34 4,885 (29.8) 6.9 (6.2–7.6)
35–44 3,977 (24.3) 7.0 (6.2–7.9)
45–59 5,222 (31.9) 6.9 (6.2–7.6)
60–64 1,106 (6.8) 7.5 (6.0–9.2)
>65
 521 (3.2)
 3.5 (2.1–5.4)
Sex
M 5,146 (31.4) 6.7 (6.0–10.2)
F
 11,251 (68.6)
 7.0 (6.5–7.5)
Race/ethnicity
Non-Hispanic White 12,858 (78.4) 6.0 (5.6–6.4)
Non-Hispanic Black 1,200 (7.3) 16.3 (14.2–18.5)
Non-Hispanic Asian 1,097 (6.7) 7.3 (5.8–9.0)
Hispanic 440 (2.7) 6.8 (4.7–9.6)
Other‡ 404 (2.5) 7.2 (4.9–10.2)
Declined to answer
 398 (2.4)
 7.0 (4.7–10.0)
Distance of work agency/facility from Detroit centroid
<15 km 7,194 (43.9) 11.0 (10.3–11.7)
15–30 km 4,677 (28.5) 5.5 (4.9–6.2)
31–55 km
 4,526 (27.6)
 1.8 (1.4–2.2)
Exposure to persons testing positive for COVID-19§
Co-worker 6,799 (41.5) 10.0 (9.3–10.8)
Household member 519 (3.2) 34.3 (30.2–38.6)
Patient 10,389 (63.4) 7.8 (7.3–8.3)
Other person
 2,709 (16.5)
 11.5 (10.3–12.7)
Housing
Multi-unit 1,762 (10.8) 8.4 (7.2–9.8)
Single family 14,634 (89.3) 6.7 (6.3–7.11)

*COVID-19, coronavirus disease; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.
†Test for trend in seropositivity statistically significant at α = 0.05.
‡Other race/ethnicity includes non-Hispanic Native Hawaiian and other Pacific Islander, non-Hispanic American Indian and Alaska Native, and participants who indicated other race.
§Categories are not mutually exclusive.

Main Article

Page created: September 02, 2020
Page updated: November 19, 2020
Page reviewed: November 19, 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.
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