Rabies surveillance in bats in Northwestern State of Sao Paulo
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822014000600709&lng=en&nrm=iso&tlng=en http://hdl.handle.net/11449/130250 |
Resumo: | Introduction: Rabies is an important zoonosis that occurs in mammals, with bats acting as Lyssavirus reservoirs in urban, rural and natural areas. Rabies cases in bats have been recorded primarily in urban areas in Northwestern State of Sao Paulo since 1998. This study investigated the circulation of rabies virus by seeking to identify the virus in the brain in several species of bats in this region and by measuring rabies-virus neutralizing antibody levels in the hematophagous bat Desmodus rotundus. Methods: From 2008 to 2012, 1,490 bat brain samples were sent to the Universidade Estadual Paulista (UNESP) Rabies Laboratory in Aracatuba, and 125 serum samples from vampire bats that were captured in this geographical region were analyzed. Results: Rabies virus was detected in the brains of 26 (2%) of 1,314 non-hematophagous bats using the fluorescent antibody test (FAT) and the mouse inoculation test (MIT). None of the 176 hematophagous bat samples were positive for rabies virus when a virus detection test was utilized. Out of 125 vampire bat serum samples, 9 (7%) had levels of rabies virus neutralization antibodies (RVNAs) that were higher than 0.5IU/mL; 65% (81/125) had titers between 0.10IU/mL and 0.5IU/mL; and 28% (35/125) were negative for RVNAs using the simplified fluorescent inhibition microtest (SFIMT) in BHK21 cells. The observed positivity rate (1.7%) was higher than the average positivity rate of 1.3% that was previously found in this region. Conclusions: The high percentage of vampire bats with neutralizing antibodies suggests that recent rabies virus exposure has occurred, indicating the necessity of surveillance measures in nearby regions that are at risk to avoid diffusion of the rabies virus and possible rabies occurrences. |
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Rabies surveillance in bats in Northwestern State of Sao PauloRabies virusAntibodiesViral detectionDesmodus rotundusNon-hematophagous batsIntroduction: Rabies is an important zoonosis that occurs in mammals, with bats acting as Lyssavirus reservoirs in urban, rural and natural areas. Rabies cases in bats have been recorded primarily in urban areas in Northwestern State of Sao Paulo since 1998. This study investigated the circulation of rabies virus by seeking to identify the virus in the brain in several species of bats in this region and by measuring rabies-virus neutralizing antibody levels in the hematophagous bat Desmodus rotundus. Methods: From 2008 to 2012, 1,490 bat brain samples were sent to the Universidade Estadual Paulista (UNESP) Rabies Laboratory in Aracatuba, and 125 serum samples from vampire bats that were captured in this geographical region were analyzed. Results: Rabies virus was detected in the brains of 26 (2%) of 1,314 non-hematophagous bats using the fluorescent antibody test (FAT) and the mouse inoculation test (MIT). None of the 176 hematophagous bat samples were positive for rabies virus when a virus detection test was utilized. Out of 125 vampire bat serum samples, 9 (7%) had levels of rabies virus neutralization antibodies (RVNAs) that were higher than 0.5IU/mL; 65% (81/125) had titers between 0.10IU/mL and 0.5IU/mL; and 28% (35/125) were negative for RVNAs using the simplified fluorescent inhibition microtest (SFIMT) in BHK21 cells. The observed positivity rate (1.7%) was higher than the average positivity rate of 1.3% that was previously found in this region. Conclusions: The high percentage of vampire bats with neutralizing antibodies suggests that recent rabies virus exposure has occurred, indicating the necessity of surveillance measures in nearby regions that are at risk to avoid diffusion of the rabies virus and possible rabies occurrences.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Universidade Estadual Paulista (UNESP), Faculdade de Medicina Veterinária de Araçatuba, Araçatuba, SPPolo Regional de Desenvolvimento Tecnológico dos Agronegócios da Alta Sorocabana, Agência Paulista de Tecnologia Agropecuária, Presidente Prudente, SPCurso de Farmácia e Bioquímica, Universidade Paulista, Araçatuba, SPNúcleo de Pesquisas em Raiva, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SPUniversidade Estadual Paulista (UNESP), Faculdade de Medicina Veterinária de Araçatuba, Araçatuba, SPCNPq: 578281/2008-2FAPESP: 2008/00976-0Soc Brasileira Medicina TropicalUniversidade Estadual Paulista (Unesp)Agência Paulista de Tecnologia AgropecuáriaUniversidade PaulistaUniversidade de São Paulo (USP)Casagrande, Daiene Karina Azevedo [UNESP]Barros da Cruz Favaro, Ana Beatriz Botto de [UNESP]Carvalho, Cristiano de [UNESP]Picolo, Mileia RicciBorges Hernandez, Janana CamilaLot, Monique SerraAlbas, AvelinoAraujo, Danielle BastosPedro, Wagner Andre [UNESP]Queiroz, Luzia Helena [UNESP]2015-11-03T15:30:37Z2015-11-03T15:30:37Z2014-11-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article709-715application/pdfhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822014000600709&lng=en&nrm=iso&tlng=enRevista Da Sociedade Brasileira De Medicina Tropical. Brasilia: Soc Brasileira Medicina Tropical, v. 47, n. 6, p. 709-715, 2014.0037-8682http://hdl.handle.net/11449/13025010.1590/0037-8682-0189-2014S0037-86822014000600709WOS:000348204000006S0037-86822014000600709.pdf26857696206050550299583248667294Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengRevista Da Sociedade Brasileira De Medicina Tropical1.3580,658info:eu-repo/semantics/openAccess2024-09-04T19:15:25Zoai:repositorio.unesp.br:11449/130250Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestrepositoriounesp@unesp.bropendoar:29462024-09-04T19:15:25Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Rabies surveillance in bats in Northwestern State of Sao Paulo |
title |
Rabies surveillance in bats in Northwestern State of Sao Paulo |
spellingShingle |
Rabies surveillance in bats in Northwestern State of Sao Paulo Casagrande, Daiene Karina Azevedo [UNESP] Rabies virus Antibodies Viral detection Desmodus rotundus Non-hematophagous bats |
title_short |
Rabies surveillance in bats in Northwestern State of Sao Paulo |
title_full |
Rabies surveillance in bats in Northwestern State of Sao Paulo |
title_fullStr |
Rabies surveillance in bats in Northwestern State of Sao Paulo |
title_full_unstemmed |
Rabies surveillance in bats in Northwestern State of Sao Paulo |
title_sort |
Rabies surveillance in bats in Northwestern State of Sao Paulo |
author |
Casagrande, Daiene Karina Azevedo [UNESP] |
author_facet |
Casagrande, Daiene Karina Azevedo [UNESP] Barros da Cruz Favaro, Ana Beatriz Botto de [UNESP] Carvalho, Cristiano de [UNESP] Picolo, Mileia Ricci Borges Hernandez, Janana Camila Lot, Monique Serra Albas, Avelino Araujo, Danielle Bastos Pedro, Wagner Andre [UNESP] Queiroz, Luzia Helena [UNESP] |
author_role |
author |
author2 |
Barros da Cruz Favaro, Ana Beatriz Botto de [UNESP] Carvalho, Cristiano de [UNESP] Picolo, Mileia Ricci Borges Hernandez, Janana Camila Lot, Monique Serra Albas, Avelino Araujo, Danielle Bastos Pedro, Wagner Andre [UNESP] Queiroz, Luzia Helena [UNESP] |
author2_role |
author author author author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Agência Paulista de Tecnologia Agropecuária Universidade Paulista Universidade de São Paulo (USP) |
dc.contributor.author.fl_str_mv |
Casagrande, Daiene Karina Azevedo [UNESP] Barros da Cruz Favaro, Ana Beatriz Botto de [UNESP] Carvalho, Cristiano de [UNESP] Picolo, Mileia Ricci Borges Hernandez, Janana Camila Lot, Monique Serra Albas, Avelino Araujo, Danielle Bastos Pedro, Wagner Andre [UNESP] Queiroz, Luzia Helena [UNESP] |
dc.subject.por.fl_str_mv |
Rabies virus Antibodies Viral detection Desmodus rotundus Non-hematophagous bats |
topic |
Rabies virus Antibodies Viral detection Desmodus rotundus Non-hematophagous bats |
description |
Introduction: Rabies is an important zoonosis that occurs in mammals, with bats acting as Lyssavirus reservoirs in urban, rural and natural areas. Rabies cases in bats have been recorded primarily in urban areas in Northwestern State of Sao Paulo since 1998. This study investigated the circulation of rabies virus by seeking to identify the virus in the brain in several species of bats in this region and by measuring rabies-virus neutralizing antibody levels in the hematophagous bat Desmodus rotundus. Methods: From 2008 to 2012, 1,490 bat brain samples were sent to the Universidade Estadual Paulista (UNESP) Rabies Laboratory in Aracatuba, and 125 serum samples from vampire bats that were captured in this geographical region were analyzed. Results: Rabies virus was detected in the brains of 26 (2%) of 1,314 non-hematophagous bats using the fluorescent antibody test (FAT) and the mouse inoculation test (MIT). None of the 176 hematophagous bat samples were positive for rabies virus when a virus detection test was utilized. Out of 125 vampire bat serum samples, 9 (7%) had levels of rabies virus neutralization antibodies (RVNAs) that were higher than 0.5IU/mL; 65% (81/125) had titers between 0.10IU/mL and 0.5IU/mL; and 28% (35/125) were negative for RVNAs using the simplified fluorescent inhibition microtest (SFIMT) in BHK21 cells. The observed positivity rate (1.7%) was higher than the average positivity rate of 1.3% that was previously found in this region. Conclusions: The high percentage of vampire bats with neutralizing antibodies suggests that recent rabies virus exposure has occurred, indicating the necessity of surveillance measures in nearby regions that are at risk to avoid diffusion of the rabies virus and possible rabies occurrences. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-11-01 2015-11-03T15:30:37Z 2015-11-03T15:30:37Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822014000600709&lng=en&nrm=iso&tlng=en Revista Da Sociedade Brasileira De Medicina Tropical. Brasilia: Soc Brasileira Medicina Tropical, v. 47, n. 6, p. 709-715, 2014. 0037-8682 http://hdl.handle.net/11449/130250 10.1590/0037-8682-0189-2014 S0037-86822014000600709 WOS:000348204000006 S0037-86822014000600709.pdf 2685769620605055 0299583248667294 |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822014000600709&lng=en&nrm=iso&tlng=en http://hdl.handle.net/11449/130250 |
identifier_str_mv |
Revista Da Sociedade Brasileira De Medicina Tropical. Brasilia: Soc Brasileira Medicina Tropical, v. 47, n. 6, p. 709-715, 2014. 0037-8682 10.1590/0037-8682-0189-2014 S0037-86822014000600709 WOS:000348204000006 S0037-86822014000600709.pdf 2685769620605055 0299583248667294 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Revista Da Sociedade Brasileira De Medicina Tropical 1.358 0,658 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
709-715 application/pdf |
dc.publisher.none.fl_str_mv |
Soc Brasileira Medicina Tropical |
publisher.none.fl_str_mv |
Soc Brasileira Medicina Tropical |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
repositoriounesp@unesp.br |
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1810021381586288640 |