Influenza A virus antibodies in dogs, hunting dogs, and backyard pigs in Campeche, Mexico.

Autor: Maya-Badillo BA; Laboratorio de Ecología de Enfermedades y Una Salud, Departamento de Fauna Silvestre y Animales de Laboratorio, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City, Mexico.; Grupo de Investigación del Departamento de Medicina y Zootecnia de Cerdos, Facultad de Medicina y Zootecnia, Universidad Nacional Autónoma de México, Mexico City, Mexico., Orta-Pineda G; Laboratorio de Ecología de Enfermedades y Una Salud, Departamento de Fauna Silvestre y Animales de Laboratorio, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City, Mexico., Zavala-Vasco D; Grupo de Investigación del Departamento de Medicina y Zootecnia de Cerdos, Facultad de Medicina y Zootecnia, Universidad Nacional Autónoma de México, Mexico City, Mexico., Rivera-Rosas KE; Grupo de Investigación del Departamento de Medicina y Zootecnia de Cerdos, Facultad de Medicina y Zootecnia, Universidad Nacional Autónoma de México, Mexico City, Mexico., Uribe-Jacinto A; Universidad Juárez Autónoma de Tabasco, Villahermosa, Tabasco, Mexico., Segura-Velásquez R; Unidad de Investigación de la Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City, Mexico., Suzán G; Laboratorio de Ecología de Enfermedades y Una Salud, Departamento de Fauna Silvestre y Animales de Laboratorio, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City, Mexico., Sánchez-Betancourt JI; Grupo de Investigación del Departamento de Medicina y Zootecnia de Cerdos, Facultad de Medicina y Zootecnia, Universidad Nacional Autónoma de México, Mexico City, Mexico.
Jazyk: angličtina
Zdroj: Zoonoses and public health [Zoonoses Public Health] 2024 May; Vol. 71 (3), pp. 294-303. Date of Electronic Publication: 2024 Jan 09.
DOI: 10.1111/zph.13110
Abstrakt: Aims: This study aimed to identify exposure to human, swine, and avian influenza A virus subtypes in rural companion and hunting dogs, backyard pigs, and feral pigs.
Methods and Results: The study took place in a region of southeastern Mexico where the sampled individuals were part of backyard production systems in which different domestic and wild species coexist and interact with humans. We collected blood samples from pigs and dogs at each of the sites. We used a nucleoprotein enzyme-linked immunosorbent assay to determine the exposure of individuals to influenza A virus. Haemagglutination inhibition was performed on the positive samples to determine the subtypes to which they were exposed. For data analysis, a binomial logistic regression model was generated to determine the predictor variables for the seropositivity of the individuals in the study. We identified 11 positive individuals: three backyard pigs, four companion dogs, and four hunting dogs. The pigs tested positive for H1N1 and H1N2. The dogs were positive for H1N1, H1N2, and H3N2. The model showed that dogs in contact with backyard chickens are more likely to be seropositive for influenza A viruses.
Conclusions: We demonstrated the essential role hunting dogs could play as intermediate hosts and potential mixing vessel hosts when exposed to human and swine-origin viral subtypes. These results are relevant because these dogs interact with domestic hosts and humans in backyard systems, which are risk scenarios in the transmission of influenza A viruses. Therefore, it is of utmost importance to implement epidemiological surveillance of influenza A viruses in backyard animals, particularly in key animals in the transmission of these viruses, such as dogs and pigs.
(© 2024 Wiley‐VCH GmbH. Published by John Wiley & Sons Ltd.)
Databáze: MEDLINE
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