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1.
Biomedica ; 42, 2022.
Article in Spanish | Scopus | ID: covidwho-1994468

ABSTRACT

Introduction: The severe acute respiratory syndrome of the new coronavirus (SARS-CoV-2) is the causal agent of the health emergency due to the COVID-19 pandemic. Although humans are the main susceptible host, experimental studies and reported cases of natural infection have evidenced scenarios of SARS-CoV-2 reverse zoonosis in animals. Objective: To evaluate the natural infection of SARS-CoV-2 in cats and dogs of owners diagnosed with COVID-19 in the Aburrá Valley, Antioquia, Colombia. Materials and methods: The circulation of SARS-CoV-2 was evaluated by RT-qPCR and RT-PCR in samples of nasopharyngeal and oropharyngeal smears from cats and dogs whose owners had latency due to COVID-19 infection. The positive cases were verified by amplifying fragments of the RdRp, N and E genes;and the RdRp amplicon was sequenced and phylogenetically analyzed. Results: Six cats and three dogs were confirmed cases of natural infection for SARS-CoV-2 from 80 tested animals. The animals did not show clinical signs;and their owners, who suffered from the infection, reported only mild signs of the disease without clinical complications. In the analysis of one of the sequences, a single nucleotide polymorphism (SNP) was found with a change in position 647 substituting the amino acid serine (S) for an isoleucine (I). The cases occurred in the municipalities of Caldas, Medellín and Envigado. Conclusions: It is inferred that natural infection in cats and dogs is associated with direct contact with a COVID-19 patient. © 2022. Biomedica. All Rights Reserved.

2.
Biomedica ; 42(Suppl. 2), 2022.
Article in Spanish | CAB Abstracts | ID: covidwho-1957852

ABSTRACT

Introduction: The severe acute respiratory syndrome of the new coronavirus (SARS-CoV-2) is the causal agent of the health emergency due to the COVID-19 pandemic. Although humans are the main susceptible host, experimental studies and reported cases of natural infection have evidenced scenarios of SARS-CoV-2 reverse zoonosis in animals.

3.
Biomedica ; 42(3):41, 2022.
Article in Spanish | Web of Science | ID: covidwho-1865874

ABSTRACT

Introduction: The severe acute respiratory syndrome of the new coronavirus (SARS-CoV-2) is the causal agent of the health emergency due to the COVID-19 pandemic. Although humans are the main susceptible host, experimental studies and reported cases of natural infection have evidenced scenarios of SARS-CoV-2 reverse zoonosis in animals. Objective: To evaluate the natural infection of SARS-CoV-2 in cats and dogs of owners diagnosed with COVID-19 in the Aburra Valley, Antioquia, Colombia. Materials and methods: The circulation of SARS-CoV-2 was evaluated by RT-qPCR and RT-PCR in samples of nasopharyngeal and oropharyngeal smears from cats and dogs whose owners had latency due to COVID-19 infection. The positive cases were verified by amplifying fragments of the RdRp, N and E genes;and the RdRp amplicon was sequenced and phylogenetically analyzed. Results: Six cats and three dogs were confirmed cases of natural infection for SARS-CoV-2 from 80 tested animals. The animals did not show clinical signs;and their owners, who suffered from the infection, reported only mild signs of the disease without clinical complications. In the analysis of one of the sequences, a single nucleotide polymorphism (SNP) was found with a change in position 647 substituting the amino acid serine (S) for an isoleucine (I). The cases occurred in the municipalities of Caldas, Medellin and Envigado. Conclusions: It is inferred that natural infection in cats and dogs is associated with direct contact with a COVID-19 patient.

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