Publications by authors named "Ruy D Chacon"

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A Compartmental Mathematical Model to Assess the Impact of Vaccination, Isolation, and Key Epidemiological Parameters on Mpox Control.
Pedro Pesantes-Grados, Nahía Escalante-Ccoyllo, Olegario Marín-Machuca, Abel Walter Zambrano-Cabanillas, Homero Ango-Aguilar

Med Sci (Basel)· October 2025

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Hepatitis B Virus Seroprevalence in Ayacucho, Peru: A Comprehensive Review Across the Pre-Vaccination and Post-Vaccination Periods.
Homero Ango-Aguilar, Jimmy Ango-Bedriñana, Obert Marín-Sánchez, Ruy D Chacón

Vaccines (Basel)· August 2025

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Emerging GI-23 infectious bronchitis virus in vaccinated broiler chickens: detection and molecular characterization during a respiratory outbreak in Southern Brazil.
Graziela Borges Dos Santos, Carolina Isabela Mucellini, Luiz Almiro Carvalho Sesti, Ruy Diego Chacón, Jorge Luis Chacón

Vet Res Commun· July 2025

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Genomic Differences in Antimicrobial Resistance and Virulence Among Key Salmonella Strains of Serogroups B and D1 in Brazilian Poultry.
Ruy D Chacón, Manuel Ramírez, Dilan Suárez-Agüero, Ana P Arellano Pineda, Claudete S Astolfi-Ferreira

Curr Microbiol· March 2025

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First Complete Genome of Reticuloendotheliosis Virus in a Mallard Duck from Brazil: Phylogenetic Insights and Evolutionary Analysis.
Ruy D Chacón, Claudete S Astolfi-Ferreira, Stefhany Valdeiglesias Ichillumpa, Henrique Lage Hagemann, Maristela Furlan Rocha

Pathogens· February 2025

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Molecular Characterization of the Infectious Laryngotracheitis Virus (ILTV) Involved in Poultry Outbreaks Reveals the Virus Origin and Estimated Spreading Route.
Jorge Luis Chacón, Ruy D Chacón, Henrique Lage Hagemann, Claudete S Astolfi-Ferreira, Cesar Nunes

Viruses· January 2025

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Molecular characterization of the oncogene of Marek's disease virus in vaccinated Brazilian poultry farms reveals selective pressure on prevalent strains.
Ruy D Chacón, Christian J Sánchez-Llatas, Sarah L Pajuelo, Andrea J Diaz Forero, Victor Jimenez-Vasquez

Vet Q· December 2024

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Detection and molecular characterization of chicken parvovirus and chicken megrivirus in layer breeders affected by intestinal dilatation syndrome.
Luis Fabian N Nuñez, Ruy D Chacón, Antonio Charlys da Costa, Silvana H Santander-Parra, Rafael da Costa Pereira Innocentini

Avian Pathol· December 2024

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Diversity of Marek's Disease Virus Strains in Infections in Backyard and Ornamental Birds.
Ruy D Chacón, Christian J Sánchez-Llatas, Claudete S Astolfi-Ferreira, Tânia Freitas Raso, Antonio J Piantino Ferreira

Animals (Basel)· October 2024

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Molecular and Evolutionary Characteristics of Chicken Parvovirus (ChPV) Genomes Detected in Chickens with Runting-Stunting Syndrome.
Ruy D Chacón, Christian J Sánchez-Llatas, Antonio Charlys da Costa, Stefhany Valdeiglesias Ichillumpa, Pablo Cea-Callejo

Viruses· August 2024

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Lymphomas in seabirds: case reports in a black skimmer (Rynchops niger) and a brown booby (Sula leucogaster).
Isabella C R Boaventura, Vanessa L Ribeiro, Alex J S de Souza, Ruy D Chacón, Antônio J P Ferreira

J Comp Pathol· May 2024

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Evolutionary Analysis of a Parrot Bornavirus 2 Detected in a Sulphur-Crested Cockatoo () Suggests a South American Ancestor.
Ruy D Chacón, Christian J Sánchez-Llatas, Andrea J Diaz Forero, Marta B Guimarães, Sarah L Pajuelo

Animals (Basel)· December 2023

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Comparative Epidemiological Assessment of Monkeypox Infections on a Global and Continental Scale Using Logistic and Gompertz Mathematical Models.
Obert Marín-Sánchez, Pedro Pesantes-Grados, Luis Pérez-Timaná, Olegario Marín-Machuca, Christian J Sánchez-Llatas

Vaccines (Basel)· November 2023

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Antigenic and molecular characterization of isolates of the Brazilian genotype BR-I (GI-11) of infectious bronchitis virus supports its recognition as BR-I serotype.
Jorge L Chacón, Ruy D Chacón, Christian J Sánchez-Llatas, Jaime G Morín, Claudete S Astolfi-Ferreira

Avian Pathol· October 2023

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Mathematical Modeling of COVID-19 Cases and Deaths and the Impact of Vaccinations during Three Years of the Pandemic in Peru.
Olegario Marín-Machuca, Ruy D Chacón, Natalia Alvarez-Lovera, Pedro Pesantes-Grados, Luis Pérez-Timaná

Vaccines (Basel)· October 2023

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Genomic characterization of Staphylococcus aureus from Canastra Minas Artisanal Cheeses.
Ana P Arellano Pineda, Carmen L Rodríguez Cueva, Ruy D Chacón, Manuel Ramírez, Otávio G G de Almeida

Braz J Microbiol· September 2023

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Complete genome sequence data of two subsp. serovar Gallinarum: A 9R vaccine strain and a virulent Brazilian field strain.
Ruy D Chacón, Jorge L Chacón, Manuel Ramírez, Carmen L Rodríguez Cueva, Wilma Ursula Quispe-Rojas

Data Brief· April 2023

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Genomic Characterization and Genetic Profiles of Gallinarum Strains Isolated from Layers with Fowl Typhoid in Colombia.
Ruy D Chacón, Manuel Ramírez, Carmen L Rodríguez-Cueva, Christian Sánchez, Wilma Ursula Quispe-Rojas

Genes (Basel)· March 2023

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Molecular characterization of chicken astrovirus from high embryonic mortality, based on the capsid protein (ORF2) gene, in Brazil.
David De la Torre, Claudete S Astolfi-Ferreira, Ruy D Chacón, Antonio J Piantino Ferreira

Avian Pathol· October 2022

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Detection of aves polyomavirus 1 (APyV) and beak and feather disease virus (BFDV) in exotic and native Brazilian Psittaciformes.
Natalia A Philadelpho, Ruy D Chacón, Andrea J Diaz Forero, Marta B Guimarães, Claudete S Astolfi-Ferreira

Braz J Microbiol· September 2022

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Outbreaks of Avipoxvirus Clade E in Vaccinated Broiler Breeders with Exacerbated Beak Injuries and Sex Differences in Severity.
Ruy D Chacón, Claudete S Astolfi-Ferreira, Patrícia C Pereira, Mario S Assayag, Antony B Campos-Salazar

Viruses· April 2022

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Complete Genome Characterization of Reticuloendotheliosis Virus Detected in Chickens with Multiple Viral Coinfections.
Ruy D Chacón, Benjy Sedano-Herrera, Elizabeth Regina Alfaro-Espinoza, Wilma Ursula Quispe, Arturo Liñan-Torres

Viruses· April 2022

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An atypical clinicopathological manifestation of fowlpox virus associated with reticuloendotheliosis virus in commercial laying hen flocks in Brazil.
Ruy D Chacón, Claudete S Astolfi-Ferreira, David I De la Torre, Lilian R M de Sá, Antonio J Piantino Ferreira

Transbound Emerg Dis· November 2020

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Identification of Novel Candidate Epitopes on SARS-CoV-2 Proteins for South America: A Review of HLA Frequencies by Country.
David Requena, Aldhair Médico, Ruy D Chacón, Manuel Ramírez, Obert Marín-Sánchez

Front Immunol· October 2020

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Detection and Molecular Characterization of a Natural Coinfection of Marek's Disease Virus and Reticuloendotheliosis Virus in Brazilian Backyard Chicken Flock.
Ruy D Chacón, Claudete S Astolfi-Ferreira, Marta B Guimarães, Luciana N Torres, David I De la Torre

Vet Sci· November 2019

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