Circulation of eastern equine encephalitis, western equine encephalitis, Ilhéus, Maguari and Tacaiuma viruses in equines of the Brazilian Pantanal, South America.

L. B. Iversson; R. A. Silva; A. P. da Rosa; V. L. Barros

doi:10.1590/S0036-46651993000400009

Circulation of eastern equine encephalitis, western equine encephalitis, Ilhéus, Maguari and Tacaiuma viruses in equines of the Brazilian Pantanal, South America.

L. B. Iversson, R. A. Silva, A. P. da Rosa, V. L. Barros

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

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 sacrificed 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.

Original language	English (US)
Pages (from-to)	355-359
Number of pages	5
Journal	Revista do Instituto de Medicina Tropical de São Paulo
Volume	35
Issue number	4
DOIs	https://doi.org/10.1590/S0036-46651993000400009
State	Published - 1993
Externally published	Yes

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Infectious Diseases

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Circulation of eastern equine encephalitis, western equine encephalitis, Ilhéus, Maguari and Tacaiuma viruses in equines of the Brazilian Pantanal, South America. / Iversson, L. B.; Silva, R. A.; da Rosa, A. P. et al.
In: Revista do Instituto de Medicina Tropical de São Paulo, Vol. 35, No. 4, 1993, p. 355-359.

Research output: Contribution to journal › Article › peer-review

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abstract = "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 sacrificed 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.",

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AU - da Rosa, A. P.

AU - Barros, V. L.

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Circulation of eastern equine encephalitis, western equine encephalitis, Ilhéus, Maguari and Tacaiuma viruses in equines of the Brazilian Pantanal, South America.

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