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SARS-CoV-2 transmission from infected owner to household dogs and cats is associated with food sharing.
Alberto-Orlando, Solon; Calderon, Joselyn L; Leon-Sosa, Ariana; Patiño, Leandro; Zambrano-Alvarado, Melissa N; Pasquel-Villa, Lisette D; Rugel-Gonzalez, David O; Flores, Dayana; Mera, Maria Daniela; Valencia, Pamela; Zuñiga-Velarde, Jose Julian; Tello-Cabrera, Clara; Garcia-Bereguiain, Miguel Angel.
  • Alberto-Orlando S; Instituto Nacional de Investigación y Salud Publica, Dirección Investigación Desarrollo e Innovación, Guayaquil, Ecuador; Universidad Espiritu Santo, Guayaquil, Ecuador. Electronic address: aorlando@inspi.gob.ec.
  • Calderon JL; Instituto Nacional de Investigación y Salud Publica, Dirección Investigación Desarrollo e Innovación, Guayaquil, Ecuador.
  • Leon-Sosa A; Instituto Nacional de Investigación y Salud Publica, Dirección Investigación Desarrollo e Innovación, Guayaquil, Ecuador.
  • Patiño L; Instituto Nacional de Investigación y Salud Publica, Dirección Investigación Desarrollo e Innovación, Guayaquil, Ecuador.
  • Zambrano-Alvarado MN; Instituto Nacional de Investigación y Salud Publica, Dirección Investigación Desarrollo e Innovación, Guayaquil, Ecuador.
  • Pasquel-Villa LD; Ministerio de Salud Pública del Ecuador, Distrito Pascuales 2, Guayaquil, Ecuador.
  • Rugel-Gonzalez DO; Facultad de Medicina Veterinaria y Zootecnia, Universidad Agraria del Ecuador, Guayaquil, Ecuador.
  • Flores D; Facultad de Medicina Veterinaria y Zootecnia, Universidad Agraria del Ecuador, Guayaquil, Ecuador.
  • Mera MD; Facultad de Medicina Veterinaria y Zootecnia, Universidad Agraria del Ecuador, Guayaquil, Ecuador.
  • Valencia P; Facultad de Medicina Veterinaria y Zootecnia, Universidad Agraria del Ecuador, Guayaquil, Ecuador.
  • Zuñiga-Velarde JJ; Clínica Veterinaria Dr. Pet, Guayaquil, Ecuador.
  • Tello-Cabrera C; Instituto Nacional de Investigación y Salud Publica, Dirección Investigación Desarrollo e Innovación, Guayaquil, Ecuador.
  • Garcia-Bereguiain MA; One Health Research Group, Universidad de Las Américas, Quito, Ecuador. Electronic address: magbereguiain@gmail.com.
Int J Infect Dis ; 122: 295-299, 2022 Sep.
Article in English | MEDLINE | ID: covidwho-1867235
ABSTRACT

OBJECTIVES:

Several cases of reverse transmission of SARS-CoV-2 from human to pets were reported during the first year of the COVID-19 pandemic. Accordingly, the World Organization for Animal Health has recommended to improve SARS-CoV-2 surveillance on household animals to assess the risk of transmission between species. After such recommendation, we studied the potential SARS-CoV-2 infection in household dogs and cats in the city of Guayaquil, the most populated city in Ecuador.

METHODS:

Oral and nasal swab samples were collected from dogs and cats within 10 days of a positive SARS-CoV-2 test result of their owners. Total ribonucleic acid was extracted and detection of viral gene targets N and ORF1ab was performed by quantitative reverse transcription polymerase chain reaction.

RESULTS:

From the 50 cats and dogs tested, 12 were SARS-CoV-2 positive, giving a total positivity rate of 24%. A total of 1 of 8 cats tested positive, whereas 11 of 42 dogs were positive, yielding a positivity rate of 12.5% and 26.2%, respectively. SARS-CoV-2 was confirmed by whole genome sequencing. In addition, we also found a statistically significant association between SARS-CoV-2 pet positivity and food sharing with infected owners.

CONCLUSION:

This study is the second active surveillance of SARS-CoV-2 in household dogs and cats in Latin America. Moreover, it is the first study to address the risk factors associated with potential anthropogenic SARS-CoV-2 transmission to domestic cats and dogs. Given the high presence of free-roaming dogs and cats in rural and urban areas in Latin American countries and the high capacity shown by coronaviruses for interspecies transmission, our findings support the view that SARS-CoV-2 surveillance in pets is necessary to better understand the role that pet-human interaction plays in the COVID-19 spread.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Cat Diseases / Dog Diseases / COVID-19 Type of study: Diagnostic study / Observational study / Prognostic study Limits: Animals / Humans Language: English Journal: Int J Infect Dis Journal subject: Communicable Diseases Year: 2022 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Cat Diseases / Dog Diseases / COVID-19 Type of study: Diagnostic study / Observational study / Prognostic study Limits: Animals / Humans Language: English Journal: Int J Infect Dis Journal subject: Communicable Diseases Year: 2022 Document Type: Article