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Volume 28, Number 6—June 2022

Risk Factors for SARS-CoV-2 Infection and Illness in Cats and Dogs1

Dorothee BienzleComments to Author , Joyce Rousseau, David Marom, Jennifer MacNicol, Linda Jacobson, Stephanie Sparling, Natalie Prystajecky, Erin Fraser, and J. Scott Weese
Author affiliations: Ontario Veterinary College, Guelph, Ontario, Canada (D. Bienzle, J. Rousseau, D. Marom, J. MacNicol, J.S. Weese); Toronto Humane Society, Toronto, Ontario, Canada (L. Jacobson); Toronto Animal Services, Toronto (S. Sparling); BC Centre for Disease Control Public Health Laboratory, Vancouver, British Columbia, Canada (N. Prystajecky); University of British Columbia, Vancouver (N. Prystajecky); Communicable Disease and Immunization Service, BC Centre for Disease Control, Vancouver (E. Fraser); University of British Columbia School of Population and Public Health, Vancouver (E. Fraser)

Main Article

Table 3

Association of seropositivity for SARS-CoV-2 in pets with household risk factors and development of new illness, Ontario, Canada*

Variable Dogs, n = 59
Cats, n = 48
Seropositive Seronegative p value Seropositive Seronegative p value
Multiple pets 9/24 (38) 15/19 (44) 0.79 15/27 (56) 12/19 (63) 0.61
Kissed by owner 13/20 (65) 19/32 (59) 0.69 11/19 (58) 8/18 (44) 0.52
Licked hands/face of owner 16/20 (80) 25/32 (78) 1.00 10/19 (53) 6/18 (33) 0.32
Slept in/on bed 13/20 (65) 19/32 (59) 0.69 17/19 (76) 11/18 (61) 0.06
New respiratory signs 7/23 (30) 4/33 (12) 0.17 8/21 (38) 2/18 (11) 0.07
New clinical signs 11/23 (48) 6/33 (18) 0.018 12/21 (57) 2/18 (11) 0.006

*Seropositivity is defined by IgG, IgM or both against viral S protein. Results were positive if optical density is >6 SD above the mean of negative controls.

Main Article

1Preliminary results from this study were presented at the 30th (September 23–25, 2020) and 31st (July 9–12, 2021) European Congress of Clinical Microbiology and Infectious Diseases.

Page created: April 28, 2022
Page updated: May 22, 2022
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