Effectiveness of Abbott BinaxNOW Rapid Antigen Test for Detection of SARS-CoV-2 Infections in Outbreak among Horse Racetrack Workers, California, USA
Krishna Surasi

, Kristin J. Cummings, Carl Hanson, Mary Kate Morris, Maria Salas, David Seftel, Liza Ortiz, Ruwan Thilakaratne, Cameron Stainken, and Debra A. Wadford
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (K. Surasi); California Department of Public Health, Richmond, California, USA (K. Surasi, K.J. Cummings, C. Hanson, M.K. Morris, M. Salas, R. Thilakaratne, C. Stainken, D.A. Wadford); Golden Gate Fields, Berkeley, California, USA (D. Seftel); City of Berkeley Public Health Officer Unit, Berkeley (L. Ortiz); Kaiser Permanente San Francisco Internal Medicine Residency Program, San Francisco, California, USA (C. Stainken); University of California San Francisco School of Medicine, San Francisco (C. Stainken).
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Table 1
Characteristics of horse racetrack staff providing paired anterior nasal swab specimens for the BinaxNOW rapid antigen test and real-time reverse transcription PCR for coronavirus disease, California, USA, November–December 2020*
Characteristic
|
rRT-PCR result
|
Overall
|
Detected
|
Not detected
|
Total
|
127 (100)
|
215 (100)
|
342 (100)
|
Sex |
F |
26 (20.5) |
62 (28.8) |
88 (25.7) |
M
|
101 (79.5)
|
153 (71.2)
|
254 (74.3)
|
Median age (range), y
|
46 (18–82)
|
54 (18–92)
|
52 (18–92)
|
Age groups, y |
18–44 |
57 (44.9) |
75 (34.9) |
132 (38.6) |
45–64 |
56 (44.1) |
103 (47.9) |
159 (46.5) |
>65
|
14 (11.0)
|
37 (17.2)
|
51 (14.9)
|
Ethnicity |
Hispanic |
99 (78.0) |
113 (52.6) |
212 (62.0) |
Non-Hispanic |
28 (22.0) |
102 (47.4) |
130 (38.0) |
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Page created: August 18, 2021
Page updated: October 19, 2021
Page reviewed: October 19, 2021
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