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Volume 20, Number 9—September 2014
Letter

Spread of Vaccinia Virus to Cattle Herds, Argentina, 2011

Ana Paula Moreira Franco-Luiz, Alexandre Fagundes-Pereira, Galileu Barbosa Costa, Pedro Augusto Alves, Danilo Bretas Oliveira, Cláudio Antônio Bonjardim, Paulo César Peregrino Ferreira, Giliane de Souza Trindade, Carlos Javier Panei, Cecilia Mónica Galosi, Jônatas Santos Abrahão, and Maurício Teixeira LimaComments to Author 
Author affiliations: Universidade Federal de Minas Gerais, Belo Horizonte, Brazil (A.P.M. Franco-Luiz, A. Fagundes-Pereira, G.B. Costa, P.A. Alves, D.B. Oliveira, C.A. Bonjardim, P.C.P. Ferreira, G.S. Trindade, J.S. Abrahão, E.G. Kroon); Universidad Nacional de la Plata, Buenos Aires, Argentina (C.J. Panei, C.M. Galosi); Consejo Nacional Investigaciones Científicas y Técnicas, Buenos Aires (C.J. Panei); Comisión de Investigaciones Científicas Provincia de Buenos Aires,, Buenos Aires (C.M. Galosi)

Main Article

Table

Diagnosis of Orthopoxvirus infection in beef and dairy cattle during a study of the spread of vaccinia virus to cattle herds, Argentina, 2011*

Province Cattle type No. farms sampled No. serum samples tested No. positive samples, by level of NU/mL against orthopoxvirus†
 No. (%) positive by real-time PCR
100 200 400 800 Total (%) vgf HA
Córdoba Dairy 1 25 0 0 1 0 1 (4.0) 2 (8.0) 0
Santa Fe Dairy 1 25 3 0 0 0 3 (12.0) 0 0
Corrientes Beef >2‡ 8 0 1 1 0 2 (25.0) 1 (12,5)§ 1 (12,5)§
Entre Ríos Beef 5 42 2 2 1 1 6 (14.3) 2 (4,8) 1 (2,4)§
Total Dairy and beef >9 100 5 3 3 1 12 (12.0) 5 (5.0) 2 (2.0)

*HA, hemagglutinin gene DNA; NU, serum dilution at which 70% plaque reduction per mL occurs; vgf, orthopoxvirus vaccinia growth factor gene DNA.
†Determined by plaque-reduction neutralization test.
‡Samples were obtained from several farms in Corrientes Province.
§Animal was also positive by plaque-reduction neutralization test.

Main Article

Page created: August 18, 2014
Page updated: August 18, 2014
Page reviewed: August 18, 2014
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