Circulation of Eastern equine encephalitis, Western equine encephalitis, Ilhéus, Maguari and Tacaiuma viruses in equines of the Brazilian Pantanal, South America Circulação dos virus das encefalites equina do Leste e Oeste, Ilhéus, Maguari e Tacaiuma em equinos da região do Pantanal brasileiro, América do Sul
Neutralizing antibodies to EEE (6.7%), WEE (1.2%), ILH (26.6%), MAG (28.2%) and TCM (15.7%) viruses were found in sera of 432 equines of the Brazilian Pantanal, area where undiagnosed horse deaths are frequently observed. A 4-fold rise in CF titer to EEE virus was detected in acute and convalescent...
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Universidade de São Paulo (USP)
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ftdoajarticles:oai:doaj.org/article:6eaa5ce87811458ebb09a889095d10ef 2024-09-09T19:27:15+00:00 Circulation of Eastern equine encephalitis, Western equine encephalitis, Ilhéus, Maguari and Tacaiuma viruses in equines of the Brazilian Pantanal, South America Circulação dos virus das encefalites equina do Leste e Oeste, Ilhéus, Maguari e Tacaiuma em equinos da região do Pantanal brasileiro, América do Sul Lygia Busch Iversson Roberto Aguilar M.S. Silva Amélia P.A. Travassos da Rosa Vera Lúcia R.S. Barros 1993-08-01T00:00:00Z https://doi.org/10.1590/S0036-46651993000400009 https://doaj.org/article/6eaa5ce87811458ebb09a889095d10ef EN eng Universidade de São Paulo (USP) http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46651993000400009 https://doaj.org/toc/0036-4665 https://doaj.org/toc/1678-9946 doi:10.1590/S0036-46651993000400009 0036-4665 1678-9946 https://doaj.org/article/6eaa5ce87811458ebb09a889095d10ef Revista do Instituto de Medicina Tropical de São Paulo, Vol 35, Iss 4, Pp 355-359 (1993) Arboviruses Pantanal region Equine encephalitis Serological survey in equines Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 article 1993 ftdoajarticles https://doi.org/10.1590/S0036-46651993000400009 2024-08-05T17:49:30Z Neutralizing antibodies to EEE (6.7%), WEE (1.2%), ILH (26.6%), MAG (28.2%) and TCM (15.7%) viruses were found in sera of 432 equines of the Brazilian Pantanal, area where undiagnosed horse deaths are frequently observed. A 4-fold rise in CF titer to EEE virus was detected in acute and convalescent sera of an encephalitis horse sacrified in 1992. Antibodies to EEE, ILH, MAG and TCM viruses were detected in horses less than 2 years old indicating recent circulation of these viruses in the Pantanal. The evidence of recent equine encephalitis associated with rising CF titer to EEE warrants a more intensive study with attempts to isolate virus from horses with clinical manifestations of encephalitis. Em um inquérito sorológico realizado em 432 equinos da região do Pantanal, território brasileiro, foram detectados anticorpos neutralizantes para os vírus EEE (6,7%), WEE (1,2%), ILH (26,6%), MAG (28,2%) e TCM (15,7%). Detectou-se também em um cavalo com um quadro clínico de encefalite um aumento de 4 vezes no título de anticorpos fixadores de complemento para EEE em soros coletados nas fases aguda e convalescente da doença. Cavalos com menos de 2 anos de idade apresentaram anticorpos neutralizantes para EEE, ILH, MAG e TCM, indicando circulação recente desses vírus no Pantanal. Os achados justificam intensificar esses estudos na região com tentativas de isolamento de vírus de animais apresentando manifestações clínicas de encefalite. Article in Journal/Newspaper Arctic Directory of Open Access Journals: DOAJ Articles Aguda ENVELOPE(-26.750,-26.750,-76.150,-76.150) Arctic Revista do Instituto de Medicina Tropical de São Paulo 35 4 355 359 |
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Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Arboviruses Pantanal region Equine encephalitis Serological survey in equines Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 |
spellingShingle |
Arboviruses Pantanal region Equine encephalitis Serological survey in equines Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 Lygia Busch Iversson Roberto Aguilar M.S. Silva Amélia P.A. Travassos da Rosa Vera Lúcia R.S. Barros Circulation of Eastern equine encephalitis, Western equine encephalitis, Ilhéus, Maguari and Tacaiuma viruses in equines of the Brazilian Pantanal, South America Circulação dos virus das encefalites equina do Leste e Oeste, Ilhéus, Maguari e Tacaiuma em equinos da região do Pantanal brasileiro, América do Sul |
topic_facet |
Arboviruses Pantanal region Equine encephalitis Serological survey in equines Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 |
description |
Neutralizing antibodies to EEE (6.7%), WEE (1.2%), ILH (26.6%), MAG (28.2%) and TCM (15.7%) viruses were found in sera of 432 equines of the Brazilian Pantanal, area where undiagnosed horse deaths are frequently observed. A 4-fold rise in CF titer to EEE virus was detected in acute and convalescent sera of an encephalitis horse sacrified in 1992. Antibodies to EEE, ILH, MAG and TCM viruses were detected in horses less than 2 years old indicating recent circulation of these viruses in the Pantanal. The evidence of recent equine encephalitis associated with rising CF titer to EEE warrants a more intensive study with attempts to isolate virus from horses with clinical manifestations of encephalitis. Em um inquérito sorológico realizado em 432 equinos da região do Pantanal, território brasileiro, foram detectados anticorpos neutralizantes para os vírus EEE (6,7%), WEE (1,2%), ILH (26,6%), MAG (28,2%) e TCM (15,7%). Detectou-se também em um cavalo com um quadro clínico de encefalite um aumento de 4 vezes no título de anticorpos fixadores de complemento para EEE em soros coletados nas fases aguda e convalescente da doença. Cavalos com menos de 2 anos de idade apresentaram anticorpos neutralizantes para EEE, ILH, MAG e TCM, indicando circulação recente desses vírus no Pantanal. Os achados justificam intensificar esses estudos na região com tentativas de isolamento de vírus de animais apresentando manifestações clínicas de encefalite. |
format |
Article in Journal/Newspaper |
author |
Lygia Busch Iversson Roberto Aguilar M.S. Silva Amélia P.A. Travassos da Rosa Vera Lúcia R.S. Barros |
author_facet |
Lygia Busch Iversson Roberto Aguilar M.S. Silva Amélia P.A. Travassos da Rosa Vera Lúcia R.S. Barros |
author_sort |
Lygia Busch Iversson |
title |
Circulation of Eastern equine encephalitis, Western equine encephalitis, Ilhéus, Maguari and Tacaiuma viruses in equines of the Brazilian Pantanal, South America Circulação dos virus das encefalites equina do Leste e Oeste, Ilhéus, Maguari e Tacaiuma em equinos da região do Pantanal brasileiro, América do Sul |
title_short |
Circulation of Eastern equine encephalitis, Western equine encephalitis, Ilhéus, Maguari and Tacaiuma viruses in equines of the Brazilian Pantanal, South America Circulação dos virus das encefalites equina do Leste e Oeste, Ilhéus, Maguari e Tacaiuma em equinos da região do Pantanal brasileiro, América do Sul |
title_full |
Circulation of Eastern equine encephalitis, Western equine encephalitis, Ilhéus, Maguari and Tacaiuma viruses in equines of the Brazilian Pantanal, South America Circulação dos virus das encefalites equina do Leste e Oeste, Ilhéus, Maguari e Tacaiuma em equinos da região do Pantanal brasileiro, América do Sul |
title_fullStr |
Circulation of Eastern equine encephalitis, Western equine encephalitis, Ilhéus, Maguari and Tacaiuma viruses in equines of the Brazilian Pantanal, South America Circulação dos virus das encefalites equina do Leste e Oeste, Ilhéus, Maguari e Tacaiuma em equinos da região do Pantanal brasileiro, América do Sul |
title_full_unstemmed |
Circulation of Eastern equine encephalitis, Western equine encephalitis, Ilhéus, Maguari and Tacaiuma viruses in equines of the Brazilian Pantanal, South America Circulação dos virus das encefalites equina do Leste e Oeste, Ilhéus, Maguari e Tacaiuma em equinos da região do Pantanal brasileiro, América do Sul |
title_sort |
circulation of eastern equine encephalitis, western equine encephalitis, ilhéus, maguari and tacaiuma viruses in equines of the brazilian pantanal, south america circulação dos virus das encefalites equina do leste e oeste, ilhéus, maguari e tacaiuma em equinos da região do pantanal brasileiro, américa do sul |
publisher |
Universidade de São Paulo (USP) |
publishDate |
1993 |
url |
https://doi.org/10.1590/S0036-46651993000400009 https://doaj.org/article/6eaa5ce87811458ebb09a889095d10ef |
long_lat |
ENVELOPE(-26.750,-26.750,-76.150,-76.150) |
geographic |
Aguda Arctic |
geographic_facet |
Aguda Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
Revista do Instituto de Medicina Tropical de São Paulo, Vol 35, Iss 4, Pp 355-359 (1993) |
op_relation |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46651993000400009 https://doaj.org/toc/0036-4665 https://doaj.org/toc/1678-9946 doi:10.1590/S0036-46651993000400009 0036-4665 1678-9946 https://doaj.org/article/6eaa5ce87811458ebb09a889095d10ef |
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https://doi.org/10.1590/S0036-46651993000400009 |
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35 |
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