期刊
PLOS ONE
卷 16, 期 4, 页码 -出版社
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0250853
关键词
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资金
- CGLab/MoH (General Laboratories Coordination of Brazilian Ministry of Health)
- CVSLR/FIOCRUZ (Coordination of Health Surveillance and Reference Laboratories of Oswaldo Cruz Foundation)
- National Council for Scientific and Technological Development (CNPq) [MCTI 402457/2020-0, VPPCB-005-FIO-20-2-69]
- Carlos Chagas Filho Foundation for Research Support of the State of Rio de Janeiro (FAPERJ) [E26/210.196/2020]
In this study, it was found that dogs and cats living with COVID-19 patients in Rio de Janeiro, Brazil, could be infected or seropositive for SARS-CoV-2, with some developing mild and reversible signs of the disease. Logistic regression analysis showed that neutering and sharing a bed with the ill owner were associated with pet infection. People with COVID-19 should avoid close contact with their pets during their illness to prevent potential transmission of SARS-CoV-2.
Background Infection by SARS-CoV-2 in domestic animals has been related to close contact with humans diagnosed with COVID-19. Objectives: To assess the exposure, infection, and persistence by SARS-CoV-2 of dogs and cats living in the same households of humans that tested positive for SARS-CoV-2, and to investigate clinical and laboratory alterations associated with animal infection. Methods Animals living with COVID-19 patients were longitudinally followed and had nasopharyngeal/oropharyngeal and rectal swabs collected and tested for SARS-CoV-2. Additionally, blood samples were collected for laboratory analysis, and plaque reduction neutralization test (PRNT90) to investigate specific SARS-CoV-2 antibodies. Results Between May and October 2020, 39 pets (29 dogs and 10 cats) of 21 patients were investigated. Nine dogs (31%) and four cats (40%) from 10 (47.6%) households were infected with or seropositive for SARS-CoV-2. Animals tested positive from 11 to 51 days after the human index COVID-19 case onset of symptoms. Three dogs tested positive twice within 14, 30, and 31 days apart. SARS-CoV-2 neutralizing antibodies were detected in one dog (3.4%) and two cats (20%). In this study, six out of thirteen animals either infected with or seropositive for SARS-CoV-2 have developed mild but reversible signs of the disease. Using logistic regression analysis, neutering, and sharing bed with the ill owner were associated with pet infection. Conclusions The presence and persistence of SARS-CoV-2 infection have been identified in dogs and cats from households with human COVID-19 cases in Rio de Janeiro, Brazil. People with COVID-19 should avoid close contact with their pets during the time of their illness.
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