FIELD: biotechnology.
SUBSTANCE: claimed is an expression vector containing at least one heterologous nucleic acid sequence encoding a first type 3 porcine circovirus (PCV3) protein selected from the group consisting of ORF1, ORF2, ORF3, and any combination thereof, wherein the PCV3 protein has at least 90% sequence homology with a sequence selected from the group consisting of SEQ ID No. 4, SEQ ID NO. 6, or SEQ ID NO. 8. Claimed is a host cell transformed by said vector and expressing a first PCV3 protein. Claimed is a composition for inducing an immunological response against PCV3 in a patient, containing an effective amount of the vector and a veterinary acceptable carrier.
EFFECT: composition allows for induction of an immunological response against PCV3 circulating among pigs in the USA.
23 cl, 2 dwg, 6 ex
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