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A household case evidences shorter shedding of SARS-CoV-2 in naturally infected cats compared to their human owners

By V. Neira, B. Brito, B. Aguero, F. Berrios, V. Valdes, A. Gutierrez, N. Ariyama, P. Espinoza, P. Retamal, E. C. Holmes, A. S. Gonzalez-Reiche, Z. Khan, A. van de Guchte, Dutta Jayeeta, L. Miorin, T. Kehrer, N. Galarce, L. I. Almonacid, J. Levican, H. van Bakel, A. Garcia-Sastre, R. A. Medina

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Abstract

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been detected in domestic and wild cats. However, little is known about natural viral infections of domestic cats, although their importance for modelling disease spread, informing strategies for managing positive human-animal relationships and disease prevention. Here, we describe the SARS-CoV-2 infection in a household of two human adults and sibling cats (one male and two females) using real-time RT-PCR, an ELISA test, viral sequencing, and virus isolation. On May 5th, 2020, the cat-owners tested positive for SARS-CoV-2. Two days later, the male cat showed mild respiratory symptoms and tested positive. Four days after the male cat, the two female cats became positive, asymptomatically. Also, one human and one cat showed antibodies against SARS-CoV-2. All cats excreted detectable SARS-CoV-2 RNA for a shorter duration than humans and viral sequences analysis confirmed human-to-cat transmission. We could not determine if cat-to-cat transmission also occurred.

Date 2021
Publication Title Emerging Microbes and Infections
Volume 10
Issue 1
Pages 376-383
Publisher Taylor & Francis
DOI 10.1080/22221751.2020.1863132
URL https://www.tandfonline.com/doi/full/10.1080/22221751.2020.1863132
Language English
Additional Language English
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Tags
  1. Animal roles
  2. Cats
  3. Households
  4. Infections
  5. open access
  6. Virus diseases
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  1. open access