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Detection of Reticuloendotheliosis Virus in Muscovy Ducks, Wild Turkeys, and Chickens in Brazil.

Authors
  • Caleiro, Giovana S1
  • Nunes, Cristina F1
  • Urbano, Paulo R1
  • Kirchgatter, Karin2
  • de Araujo, Jansen3
  • Durigon, Edison Luiz3
  • Thomazelli, Luciano M3
  • Stewart, Brittany M4
  • Edwards, Dustin C4
  • Romano, Camila M1
  • 1 Instituto de Medicina Tropical de São Paulo e Hospital das Clínicas da Faculdade de Medicina, HCFMUSP (LIM52) Av. Dr. Enéas Carvalho de Aguiar, 470, CEP 05403-000, São Paulo/SP, Brasil, Universidade de São Paulo, São Paulo, Brazil. , (Brazil)
  • 2 Instituto de Medicina Tropical de São Paulo, SUCEN, Av. Dr. Enéas Carvalho de Aguiar, 470, CEP 05403-000, São Paulo/SP, Brazil. , (Brazil)
  • 3 Laboratório de Virologia Clínica e Molecular, Instituto de Ciências Biomédicas (ICB), Universidade de Sao Paulo, Av. Prof. Lineu Prestes, n° 2415CEP 05508-900, Butantã, São Paulo/SP, Brazil. , (Brazil)
  • 4 Department of Biological Sciences, Tarleton State University, Box T-0100, Stephenville, Texas 76402.
Type
Published Article
Journal
Journal of wildlife diseases
Publication Date
Jul 01, 2020
Volume
56
Issue
3
Pages
631–635
Identifiers
DOI: 10.7589/2019-04-088
PMID: 31917630
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Reticuloendotheliosis viruses (REVs) are known to cause immunosuppressive and oncogenic disease that affects numerous avian species. Reticuloendotheliosis viruses are present worldwide and recently have been reported in South America with cases of infected commercial flocks in Argentina. We surveyed for the presence of REV in birds from a state in the northern region of Brazil using real-time PCR. We report here the presence of REV in Brazil, detected in Muscovy Ducks (Cairina moschata), Wild Turkeys (Meleagris gallopavo), and chickens (Gallus gallus) at a relatively high prevalence (16.8%). Phylogenetic analysis indicated a close relationship of these strains to variants in the US. This study provides evidence of REV in the Amazon biome and provides a baseline for future surveillance of the virus in the region and throughout Brazil.

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