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CES Medicina Veterinaria y Zootecnia
versión On-line ISSN 1900-9607
Resumen
IGLESIAS-OSORES, Sebastián y SAAVEDRA-CAMACHO, Johnny Leandro. Differences between SARS-CoV-2 and Avian Infectious Bronchitis (IBV) coronavirus. Ces. Med. Vet. Zootec. [online]. 2021, vol.16, n.1, pp.47-58. Epub 23-Nov-2021. ISSN 1900-9607. https://doi.org/10.21615/cesmvz.16.1.3.
The new coronavirus 2019 disease (COVID-19) is caused by the virus called SARS-CoV-2, however, in free-range chicken’s coronaviruses cause Avian Infectious Bronchitis. Currently, it has been possible to analyze the genomic sequence of the SARS-CoV-2 virus, which indicates that it emerged from an animal reservoir, it has even been considered that a virus isolated from a bat, identical to SARS-CoV, is the parent of the new coronavirus. In other studies, it has been shown that the glycoprotein of the viral spicule has a high degree of relationship between viruses that infect mammals and birds, which is the one that allows contact with the host. Whereas in the case of IBV, when inhaled, the virus will bind to sialic acid-containing glycoprotein receptors in hair epithelial cells of respiratory tissue, then viral replication will result in loss of ciliary function, mucus clearance, necrosis, and peeling, causing shortness of breath and suffocation. IBV affects the trachea, kidneys, and reproductive tract of many birds. In chickens, viremic IBV causes lesions in the magnum and the uterus. This review elucidates some key points in the differences between the novel coronavirus and the infectious bronchitis virus. SARS-CoV-2 is highly unlikely to infect or cause disease in poultry.
Palabras clave : avian infectious bronchitis; coronavirus; SARS-CoV-2.