Methods and Compositions for Immunizing Pigs Against Porcine Circovirus
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United States of America Patent
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Issued Date -
Jan 15, 2009
app pub date -
Jul 9, 2008
filing date -
Jul 10, 2007
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Abandoned
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Abstract
The present invention relates to compositions and methods of eliciting a cross-protective immune response against a pathogenic porcine circovirus by administering to a pig an immunogenically effective amount of a type 1-type 2 chimeric porcine circovirus vaccine. The chimeric vaccine utilized for cross-protection may be administered as a single dose or as multiple doses. The invention further relates to protection of the pig from any one or more of the symptoms or sequelae associated with postweaning multisystemic wasting syndrome (PMWS). Moreover, the administering of the chimeric vaccine also results in reduction in the higher than average mortality associated with the high mortality type 2B strains of porcine circovirus.
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