| 摘要 |
This invention provides a vaccine composition for protecting pigs against PCV2, including a highly virulent porcine circovirus type 2b (PCV2b) divergent strain, the composition including a PCV2b divergent ORF2 polypeptide, wherein the ORF2 polypeptide comprises Leucine (L) at position 89, Threonine (T) at position 90, and Aspargine (N) at position 134, according to the numbering of SEQ ID NO: 1 herein. |
