Identification of an emergent porcine circovirus-2 in vaccinated pigs from a brazilian farm during a postweaning multisystemic wasting syndrome outbreak
2014
Salgado, Rafael L. | Vidigal, Pedro M. P. | Souza, Luiz F. L. de | Onofre, Thiago S. | Gonzaga, Natália F. | Eller, Monique R. | Bressan, Gustavo C. | Fietto, Juliana L. R. | Almeida, Márcia R. | Silva Júnior, Abelardo
Three porcine circovirus-2 strains were isolated from pigs on a Brazilian farm during an outbreak, indicating a vaccine failure. They present identical genomic sequences, with high identities to other isolates that were also related to vaccination failures, supporting the recent theory about an antigen drift being associated with vaccine failures throughout the world.
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