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Dual natural infection with bovine viral diarrhea virus -1 and -2 in a stillborn calf: tissue distribution and molecular characterization


Maximiliano J. Spetter
Enrique L. Louge Uriarte
Erika A. González Altamiranda
María R. Leunda
Susana B. Pereyra
Andrea E. Verna
Anselmo C. Odeón

Abstract

Dual infections with both bovine viral diarrhea virus (BVDV)-1 and -2 seem to be unusual. The aim of this study was to describe an infection with both BVDV genotypes in a stillborn calf. Virus isolation and phylogenetic analyses of the 5´UTR and NS5B regions confirmed the presence of BVDV-1b and -2b in spleen and lung, whereas BVDV-2b was also detected in brain, heart, liver, kidney and, fluid of cavities. These results confirm that dual infections with both BVDV-1 and BVDV-2 species can occur naturally and their tissue distribution can be different.

Keywords: Bovine viral diarrhea virus, Co-infection, Phylogenetic analysis


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eISSN: 2218-6050
print ISSN: 2226-4485