| abstract |
The invention relates to an opsonized micro-particle complex comprising: a micro-particular vector encapsulating at least one antigen, and at least one antibody or fragment thereof, with said antibody being a human or humanized antibody or an antibody binding to human FcR with substantially the same affinity and avidity as the ones of a human antibody and with said antibody or fragment thereof having the carboxy terminal end of its Fc portion external with respect to the opsonized micro particle complex. |