Natural SARS-CoV-2 infections, including virus isolation, among serially tested cats and dogs in households with confirmed human COVID-19 cases in Texas, USA. Institutional Repository Document uri icon


  • The natural infections and epidemiological roles of household pets in SARS-CoV-2 transmission are not understood. We conducted a longitudinal study of dogs and cats living with at least one SARS-CoV-2 infected human in Texas and found 47.1% of 17 cats and 15.3% of 59 dogs from 25.6% of 39 households were positive for SARS-CoV-2 via RT-PCR and genome sequencing or neutralizing antibodies. Virus was isolated from one cat. The majority (82.4%) of infected pets were asymptomatic. Re-sampling of one infected cat showed persistence of viral RNA at least 32 d-post human diagnosis (25 d-post initial test). Across 15 antibody-positive animals, titers increased (33.3%), decreased (33.3%) or were stable (33.3%) over time. A One Health approach is informative for prevention and control of SARS-CoV-2 transmission.

altmetric score

  • 62.952

author list (cited authors)

  • Hamer, S. A., Pauvolid-Corra, A., Zecca, I. B., Davila, E., Auckland, L. D., Roundy, C. M., ... Hamer, G. L.

citation count

  • 43

complete list of authors

  • Hamer, Sarah A||Pauvolid-CorrĂȘa, Alex||Zecca, Italo B||Davila, Edward||Auckland, Lisa D||Roundy, Christopher M||Tang, Wendy||Torchetti, Mia||Killian, Mary Lea||Jenkins-Moore, Melinda||Mozingo, Katie||Akpalu, Yao||Ghai, Ria R||Spengler, Jessica R||Behravesh, Casey Barton||Fischer, Rebecca SB||Hamer, Gabriel L

Book Title

  • bioRxiv

publication date

  • December 2020