Relationship of SARS-CoV-2 Antigen and Reverse Transcription PCR Positivity for Viral Cultures
Dustin W. Currie

, Melisa M. Shah, Phillip P. Salvatore, Laura Ford, Melissa J. Whaley, Jennifer Meece, Lynn Ivacic, Natalie J. Thornburg, Azaibi Tamin, Jennifer L. Harcourt, Jennifer Folster, Magdalena Medrzycki, Shilpi Jain, Phili Wong, Kimberly Goffard, Douglas Gieryn, Juliana Kahrs, Kimberly Langolf, Tara Zochert, Christopher H. Hsu, Hannah L. Kirking, Jacqueline E. Tate, and
for the CDC COVID-19 Response Epidemiology Field Studies Team1
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (D.W. Currie, M.M. Shah, P.P. Salvatore, L. Ford, M.J. Whaley, N.J. Thornburg, A. Tamin, J.L. Harcourt, J. Folster, M. Medrzycki, S. Jain, P. Wong, C.H. Hsu, H.L. Kirking, J.E. Tate); Marshfield Clinic Research Institute, Marshfield, Wisconsin, USA (J. Meece, L. Ivacic); Winnebago County Health Department, Oshkosh, Wisconsin, USA (K. Goffard, D. Gieryn); University of Wisconsin‒Oshkosh, Oshkosh (J. Kahrs, K. Langolf, T. Zochert)
Main Article
Table 1
Positive predictive value of the BinaxNOW COVID-19 Antigen Card Test and RT-PCR relative to viral culture, Winnebago County, Wisconsin, USA, November‒December 2020*
SARS-CoV-2 diagnostic test result |
No. culture positive |
No. culture negative |
Total |
Positive predictive value, % |
BinaxNOW positive |
191 |
78 |
269 |
71.0 |
RT-PCR positive |
200 |
134 |
334 |
59.9 |
Main Article
Page created: November 12, 2021
Page updated: February 21, 2022
Page reviewed: February 21, 2022
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