The invention provides a nucleic acid vaccine which is protective against avian polyomavirus infection in a bird which is classified as being a member of the Psittaciformes order comprising a nucleic acid vaccine vector comprising a suitable eukaryotic cis-acting transcription/translation regulatory sequence functionally linked to a nucleic acid encoding an immunogenic avian polyomarvirus polypeptide. Methods for preventing avian polyomarvirus infection in a bird classified as being a member of the Psittaciformes order, are also provided.
This application is a continuation-in-part of Ser. No. 08/660,227, which was filed on Jun. 3, 1996, "now issued as U.S. Pat. No. 5,747,045, which is a Continuation-In-Part of Ser. No. 08/180,929, filed on Jan. 13, 1994, now issued as U.S. Pat. No. 5,523,088".