Artigo

West Nile Vrus in the state of Cear?, northeast Brazil

Abstract: In June 2019, a horse with neurological disorder was diagnosed with West Nile virus (WNV) in Boa Viagem, a municipality in the state of Cear?, northeast Brazil. A multi-institutional task force coordinated by the Brazilian Ministry of Health was deployed to the area for case investigatio...

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Autor principal: Chalhoub, Fl?via Lowen Levy
Outros Autores: Queiroz J?nior, Eudson Maia de, Duarte, Bruna Holanda, S?, Marcos Eielson Pinheiro de, Lima, Pedro Cerqueira, Oliveira, Ailton Carneiro de, Casseb, L?via Medeiros Neves, Chagas, Liliane Leal das, Monteiro, Hamilton Ant?nio de Oliveira, Neves, Maycon Sebasti?o Alberto Santos, Chaves, Cyro Facundo, Maura, Paulo Jean da Silva, Nascimento, Aline Machado Rapello do, Pinheiro, Rodrigo Giesbrecht, Vieira, Antonio Roberio Soares, Moura, Francisco Bergson Pinheiro, Silva, Luiz Osvaldo Rodrigues da, Esc?ssia, Kiliana Nogueira Farias da, Sousa, Lindenberg Caranha de, Ramalho, Izabel Leticia Cavalcante, Silva, Ant?nio Williams Lopes da, Mello, Leda Maria Sim?es, Souza, F?bio Felix de, Almeida, Francisco das Chagas, Rodrigues, Ra? dos Santos, Chagas, Diego do Vale, Brito, Anielly Ferreira de, Cavalcante, Karina Ribeiro Leite Jardim, Mares-Guia, Maria Ang?lica Monteiro de Mello, Campos, Vin?cius Martins Guerra, Faria, Nieli Rodrigues da Costa, Vieira, Marcelo Adriano da Cunha e Silva, Mendon?a, Marcos Cesar Lima de, Pivisan, Nayara Camila Amorim de Alvarenga, Moreno, Jarier de Oliveira, Vieira, Maria Aldessandra Diniz, Gomes, Ricristhi Gon?alves de Aguiar, Ara?jo, Fernanda Montenegro de Carvalho, Passos, Pedro Henrique de Oliveira, Ramos, Daniel Garkauskas, Romano, Alessandro Pecego Martins, Martins, L?via Car?cio, Oliveira, Ricardo Louren?o de, Filippis, Ana Maria Bispo de, Corr?a, Alex Pauvolid
Grau: Artigo
Idioma: eng
Publicado em: MDPI 2021
Assuntos:
Acesso em linha: http://patua.iec.gov.br//handle/iec/4423
Resumo:
Abstract: In June 2019, a horse with neurological disorder was diagnosed with West Nile virus (WNV) in Boa Viagem, a municipality in the state of Cear?, northeast Brazil. A multi-institutional task force coordinated by the Brazilian Ministry of Health was deployed to the area for case investigation. A total of 513 biological samples from 78 humans, 157 domestic animals and 278 free-ranging wild birds, as well as 853 adult mosquitoes of 22 species were tested for WNV by highly specific serological and/or molecular tests. No active circulation of WNV was detected in vertebrates or mosquitoes by molecular methods. Previous exposure to WNV was confirmed by seroconversion in domestic birds and by the detection of specific neutralizing antibodies in 44% (11/25) of equids, 20.9% (14/67) of domestic birds, 4.7% (13/278) of free-ranging wild birds, 2.6% (2/78) of humans, and 1.5% (1/65) of small ruminants. Results indicate that not only equines but also humans and different species of domestic animals and wild birds were locally exposed to WNV. The detection of neutralizing antibodies for WNV in free-ranging individuals of abundant passerine species suggests that birds commonly found in the region may have been involved as amplifying hosts in local transmission cycles of WNV.