Patent ID: 7910306

Claim:
A method for reducing or lessening the severity of one or more of the clinical symptoms caused by PCV2 in a pig, said method comprising the step of administering to that pig a single dose of an immunogenic composition, said immunogenic composition comprising 4 μg to 400 μg of recombinant PCV2 ORF2 protein and a polymer of acrylic or methacrylic acid, wherein said one or more clinical symptoms caused by PCV2 are reduced in said pig receiving said immunogenic composition in comparison to a pig not receiving said immunogenic composition, and wherein said one or more clinical symptoms are selected from the group consisting of wasting, paleness of the skin, unthriftiness, respiratory distress, diarrhea, icterus, jaundice, lung lesions, nasal shedding, cough, diarrhea and combinations thereof.