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Volume 27, Number 3—March 2021
Research Letter

SARS-CoV-2 Exposure in Escaped Mink, Utah, USA

Susan A. ShrinerComments to Author , Jeremy W. Ellis, J. Jeffrey Root, Annette Roug, Scott R. Stopak, Gerald W. Wiscomb, Jared R. Zierenberg, Hon S. Ip1, Mia K. Torchetti1, and Thomas J. DeLiberto1
Author affiliations: US Department of Agriculture (USDA) National Wildlife Research Center, Fort Collins, Colorado, USA (S.A. Shriner, J.W. Ellis, J.J. Root, T.J. DeLiberto); Utah Division of Wildlife Resources, Salt Lake City, Utah, USA (A. Roug); USDA Wildlife Services, Boise, Idaho, USA (S.R. Stopak); USDA Wildlife Services, Billings, Montana, USA (G.W. Wiscomb); U; SDA Wildlife Services, Salt Lake City (J.R. Zierenberg); US Geological Survey National Wildlife Health Center, Madison, Wisconsin, USA (H.S. Ip); USDA Veterinary Services, Ames, Iowa, USA (M.K. Torchetti)

Main Article

Table

Virus neutralization titers and rRT-PCR cycle thresholds for samples collected from captured mammals in study of SARS-CoV-2 exposure in escaped mink, Utah, USA, August 2020

Animal ID Animal Capture date Site Virus neutralization titer rRT-PCR Ct† rRT-PCR sample type
ID000003 Escaped mink 2020 Aug 23 A 128 ND ND
ID000004 Escaped mink 2020 Aug 23 A 128 ND ND
ID000101 Escaped mink 2020 Aug 24 A 512 ND ND
ID000010 Escaped mink 2020 Aug 24 A 512 38.80 Nasal swab
ID000011 Escaped mink 2020 Aug 24 A 512 ND ND
ID000012 Escaped mink 2020 Aug 24 A 512 38.95 Nasal swab
ID000013 Escaped mink 2020 Aug 24 A 128 ND ND
ID000014 Escaped mink 2020 Aug 24 A 256 ‡ Nasal swab, lung tissue
ID000052 Escaped mink 2020 Aug 30 B 64 ‡ Nasal swab
ID000053 Escaped mink 2020 Aug 30 B 256 37.38 Nasal swab
ID000054 Escaped mink 2020 Aug 30 B 128 ND ND
ID000030 Feral or wild mink 2020 Aug 26 C Negative ND ND
ID000051 Feral or wild mink 2020 Aug 28 C Negative ND ND
ID000017 House mouse 2020 Aug 25 C Negative 35.89 Rectal swab
ID000064 Deer mouse 2020 Aug 30 B Negative ‡ Oral swab
ID000093 Deer mouse 2020 Aug 31 B Negative ‡ Rectal swab

*Ct, cycle threshold; rRT-PCR, real-time reverse transcription PCR; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; ND, not detected. 
†Mean Ct across the N1- and N2-genes; a positive result is defined as detection of both N1 and N2.
‡Ct detection of N1-gene only.

Main Article

1These senior authors contributed equally to this article.

Page created: January 12, 2021
Page updated: February 22, 2021
Page reviewed: February 22, 2021
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