Epidemiological studies
Epidemiological studies
Published 20 April 2020 | Updated 4 November 2024
There have now been a number of prevalence studies published, and reported in the news, providing details of levels of infection with SARS-CoV-2 in companion animals. In interpreting and comparing the results of these studies is important to be clear about what population of animals is being sampled, general population or those owned by people with confirmed COVID-19 infection and which tests are being carried out (antigen or antibody).
On 20th March, IDEXX Laboratories reported1 that they had tested thousands of canine and feline specimens during validation of a new veterinary test system for the COVID-19. The samples originated from the United States and South Korea, and IDEXX has now expanded monitoring to Canada and European countries and has seen no positive results in pets to date.
Although they state that sampling included areas with high rates of COVID-19 in the human population, details of the sampling strategy and timing were not given.
Reference
1. IDEXX (2020) IDEXX SARS-CoV-2 (COVID-19) RealPCR Test [online] Available at: https://www.idexx.com/en/about-idexx/covid-19-resources/#results [Accessed 20 April 2020]
Cats and dogs
- Daigle, L. et al. (2024) High prevalence of SARS-CoV-2 antibodies and low prevalence of SARS-CoV-2 RNA in cats recently exposed to human cases. BMC Veterinary Research, 20, no. 304. https://doi.org/10.1186/s12917-024-04150-4
- Chen, C. et al. (2024) Spatial and temporal clustering of anti-SARS-CoV-2 antibodies in Illinois household cats, 2021–2023. PLOS ONE, 19 (5), e0299388. https://doi.org/10.1371/journal.pone.0299388
- Suwanpakdee, S. et al. (2024) Sero-epidemiological investigation and cross-neutralization activity against SARS-CoV-2 variants in cats and dogs, Thailand. Frontiers in Veterinary Science, 11. https://doi.org/10.3389/fvets.2024.1329656
- The risk of pet animals in spreading severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and public health importance: An updated review. Veterinary Medicine and Science, 10, e1320. https://doi.org/10.1002/vms3.1320
- 2023) Prevalence of SARS-CoV-2 in domestic cats (Felis catus) during COVID-19 pandemic in Latvia. Veterinary Medicine and Science. https://doi.org/10.1002/vms3.1338 et al. (
- Guimarães Nilsson, M. et al. (2024) High seroprevalence for SARS-CoV-2 infection in dogs: Age as risk factor for infection in shelter and foster home animals. Preventive Veterinary Medicine, 222, 106094. https://doi.org/10.1016/j.prevetmed.2023.106094
- Chen, D. et al. (2023) Prevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and feline enteric coronavirus (FECV) in shelter-housed cats in the Central Valley of California, USA. Veterinary Record Open, 10 (2), e73. https://doi.org/10.1002/vro2.73
- Sparrer, M. N. et al. (2023) SARS-CoV-2 surveillance in a veterinary health system provides insight into transmission risks. Journal of the American Veterinary Medical Association, https://doi.org/10.2460/javma.23.05.0229
- Fischer, E.A. et al. (2023) Contribution of cats and dogs to SARS-CoV-2 transmission in households. Frontiers in Veterinary Science, 10. https://www.frontiersin.org/articles/10.3389/fvets.2023.1151772
- Barroso-Arévalo S. et al. (2023) SARS-CoV-2 seroprevalence studies in pets, Spain. Emerging Infectious Diseases, 29 (6), pp. 1136-1142. https://doi.org/10.3201/eid2906.221737
- Meisner, J. et al. (2023) Household transmission of SARS-CoV-2 from humans to pets, Washington and Idaho, USA. Emerging Infectious Diseases, 28 (12), pp. 2425-2434. https://doi.org/10.3201/eid2812.220215
- Liew, A.Y. et al. (2023) Clinical and epidemiologic features of SARS-CoV-2 in dogs and cats compiled through national surveillance in the United States. Journal of the American Veterinary Medical Association. https://doi.org/10.2460/javma.22.08.0375
- Shin, Y-K. et al. (2022) Whole genome sequencing of SARS-CoV-2 in cats and dogs in South Korea in 2021. Veterinary Sciences, 10 (1), 6. https://doi.org/10.3390/vetsci10010006
- Ferenandez-Bastit, L. et al. (2022) Severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) infection and humoral responses against different variants of concern in domestic pet animals and stray cats from North‐Eastern Spain. Transboundary and Emerging Diseases. https://doi.org/10.1111/tbed.14714
- Kannenkens-Jager, M.M. et al. (2022) SARS‐CoV‐2 infection in dogs and cats is associated with contact to COVID‐19‐positive household members. Transboundary and Emerging Diseases. https://doi.org/10.1111/tbed.14713
- Kaczorek-Łukowska, E. et al. (2022) High Seroprevalence against SARS-CoV-2 among dogs and cats, Poland, 2021/2022. Animals, 12 (16), no. 2016. https://doi.org/10.3390/ani12162016
- Bienzle, D. et al. (2022) Risk factors for SARS-CoV-2 infection and illness in cats and dogs. Emerging Infectious Diseases, 28 (6), pp. 1154-1162. https://doi.org/10.3201/eid2806.220423
- de Souza Barbosa, A.B. et al (2022) Infection of SARS-CoV-2 in domestic dogs associated with owner viral load. Research in Veterinary Science, 153, pp. 61-65. https://doi.org/10.1016/j.rvsc.2022.10.006
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A cross-sectional retrospective study of SARS-CoV-2 seroprevalence in domestic cats, dogs and rabbits in Poland
Published 1 February 2022
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Large‐scale study on virological and serological prevalence of SARS‐CoV‐2 in cats and dogs in Spain
Published 1 February 2022
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SARS-CoV-2–Specific Antibodies in Domestic Cats during First COVID-19 Wave, Europe
Published 1 February 2022
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SARS‐CoV‐2 infection in cats and dogs in infected mink farms
Published 27 September 2021
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SARS-CoV-2 neutralising antibodies in dogs and cats in the United Kingdom
Published 27 September 2021
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Seroprevalence of SARS‐CoV‐2 infection among pet animals in Croatia and potential public health impact
Published 27 September 2021
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Investigation of SARS-CoV-2 infection in dogs and cats of humans diagnosed with COVID-19 in Rio de Janeiro, Brazil
Published 27 September 2021
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Serological screening for antibodies against SARS-CoV-2 in Dutch shelter cats
Published 27 September 2021
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Prolonged SARS-CoV-2 RNA shedding from therapy cat after cluster outbreak in retirement home
Published 27 September 2021
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Serological evidence of SARS‐CoV‐2 and co‐infections in stray cats in Spain
Published 16 June 2021
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Frequency of respiratory pathogens and SARS‐CoV‐2 in canine and feline samples submitted for respiratory testing in early 2020
Published 22 March 2021
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Myocarditis in naturally infected pets with the British variant of COVID-19
Published 22 March 2021
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SARS-CoV-2 in Quarantined Domestic Cats from COVID-19 Households or Close Contacts, Hong Kong, China
Published 25 November 2020
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High prevalence of SARS-CoV-2 antibodies in pets from COVID-19+ households
Published 25 November 2020
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Evidence of exposure to SARS-CoV-2 in cats and dogs from households in Italy
Published 28 July 2020 |Updated 14 June 2021
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SARS-CoV-2 neutralizing serum antibodies in cats: a serological investigation
Published 20 April 2020 | updated 25 November 2020
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Absence of SARS-CoV-2 infection in cats and dogs in close contact with a cluster of COVID-19 patients in a veterinary campus
Published 20 April 2020 | Updated 14 June 2021
Ferrets/Minks
- Santman-Berends, I.M.G.A. et al. (2024) Effectiveness of passive and active surveillance for early detection of SARS-CoV-2 in mink during the 2020 outbreak in the Netherlands. Transboundary and Emerging Diseases, no. 4793475. https://doi.org/10.1155/2024/4793475
- Himsworth, C. G. et al. (2023) A comparison of sampling and testing approaches for the surveillance of SARS-CoV-2 in farmed American mink. Journal of Veterinary Diagnostic Investigation, 35 (5), pp. 528-534. https://doi.org/10.1177/10406387231183685
- Žigaitė, S. et al. (2023) Evaluation of SARS-CoV-2 passive surveillance in Lithuanian mink farms, 2020–2021. Frontiers in Veterinary Science, 10. https://www.frontiersin.org/articles/10.3389/fvets.2023.1181826
- Kaczorek-Łukowska, E. et al. (2023) No indication for SARS-CoV-2 transmission to pet ferrets, in five cities in Poland, 2021 – antibody testing among ferrets living with owners infected with SARS-CoV-2 or free of infection. Acta Veterinaria Scandinavica, 65, no. 9. https://doi.org/10.1186/s13028-023-00672-3
- Sikkema, R. S. et al. (2022) Risks of SARS-CoV-2 transmission between free-ranging animals and captive mink in the Netherlands. Transboundary and Emerging Diseases https://doi.org/10.1111/tbed.14686
- Davoust, B. et al. (2022) Evidence of antibodies against SARS‐CoV‐2 in wild mustelids from Brittany (France). Transboundary and Emerging Diseases https://doi.org/10.1111/tbed.14663
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SARS-CoV2 spike protein gene variants with N501T and G142D mutation–dominated infections in mink in the United States
Published 1 February 2022
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Severe acute respiratory syndrome coronavirus 2 in farmed mink (Neovison vison), Poland
Published 1 February 2022
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SARS‐CoV‐2 infection in cats and dogs in infected mink farms
Published 27 September 2021
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Natural SARS-CoV-2 infection in kept ferrets, Spain
Published 27 September 2021
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SARS-CoV-2 exposure in escaped mink, Utah, USA
Published 16 June 2021
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SARS-CoV-2 transmission between mink (Neovison vison) and humans, Denmark
Published 22 March 2021
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Ferrets not infected by SARS-CoV-2 in a high-exposure domestic setting
Published 25 November 2020
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Mink Netherlands
Published 9 November 2020
Bats
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The risk from SARS‐CoV‐2 to bat species in England and mitigation options for conservation field workers
Published 22 March 2021
Deers
- Purves, K. et al. (2024) SARS-CoV-2 seropositivity in urban population of wild fallow deer, Dublin, Ireland, 2020-2022. Emerging Infectious Diseases, 30 (8), pp. 1609-1620. https://doi.org/10.3201/eid3008.231056
- McBride, D.S. et al. (2023) Accelerated evolution of SARS-CoV-2 in free-ranging white-tailed deer. Nature Communications, 14, no. 5105. https://doi.org/10.1038/s41467-023-40706-y
- Khalafalla, A. I. (2023) SARS-CoV-2 Neutralizing Antibodies in Free-Ranging Fallow Deer (Dama dama) and Red Deer (Cervus elaphus) in Suburban and Rural Areas in Spain. Transboundary and Emerging Diseases, no. 3324790. https://doi.org/10.1155/2023/3324790
- OIE Statement on monitoring white-tailed deer for SARS-CoV-2. World Organization for Animal Health [online] Available from: https://www.oie.int/en/oie-statement-on-monitoring-white-tailed-deer-for-sars-cov-2/ [accessed 1 February 2022]
Published 1 February 2022
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SARS-CoV-2 antibodies in free-ranging white tailed deer
Published 6 August 2021
Equine
- (2023) Investigation of the seroprevalence to equine coronavirus and SARS-CoV-2 in healthy adult horses recently imported to the United States. Veterinary Quarterly. https://doi.org/10.1080/01652176.2023.2288876
Wildlife and zoo
- Domanska-Blicharz, K., Lisowska, A., Opolska, J., Ruszkowski, J., Gogulski, M., Pomorska-Mól, M. (2024) Whole genome characteristics of hedgehog coronaviruses from Poland and analysis of the evolution of the Spike protein for its interspecies transmission potential. BMC Veterinary Research. https://doi.org/10.1186/s12917-024-04277-4
- Cano-Terriza, D. et al. (2024) SARS-CoV-2 in captive nonhuman primates, Spain, 2020-2023. Emerging Infectious Diseases, 30 (6), pp. 1253-1257. https://doi.org/10.3201/eid3006.231247
- Takemura, T. et al. (2024) SARS-CoV-2 Infection in Beaver Farm, Mongolia, 2021. Emerging Infectious Diseases, 30 (2), pp. 391-394. https://doi.org/10.3201/eid3002.231318
- Ehrlich, M. et al. (2023) Lack of SARS-CoV-2 Viral RNA Detection among a Convenience Sampling of Ohio Wildlife, Companion, and Agricultural Animals, 2020–2021. Animals, 13 (16), no. 2554. https://doi.org/10.3390/ani13162554
- Colombo, V.C. et al. (2022) SARS‐CoV‐2 surveillance in Norway rats (Rattus norvegicus) from Antwerp sewer system, Belgium. Transboundary and Emerging Diseases, 69 (5), pp. 3016-3021. https://doi.org/10.1111/tbed.14219.
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Wang, Y. et al. (2022) SARS-CoV-2 exposure in Norway rats (Rattus norvegicus) from New York City. bioRxiv [Preprint]. https://doi.org/10.1101/2022.11.18.517156.
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