Abstract: Recombinant, attenuated infectious laryngotracheitis viruses containing a deletion or deletions in a glycoprotein gene are provided. Also provided are glycoprotein genes, gD, gI, gG and gE as well as other viral genes.

Abstract: This invention provides a recombinant swinepox virus comprising a foreign DNA sequence inserted into the swinepox virus genomic DNA, wherein the foreign DNA sequence is inserted within a HindIII K fragment of the swinepox virus genomic DNA and is capable of being expressed in a swinepox virus infected host cell. The invention further provides homology vectors, vaccines and methods of immunization.

Abstract: The present invention provides a recombinant infectious bovine rhinotracheitis designated S-IBR-052 (ATCC Accession No. VR 2443). The present invention also provides a vaccine which comprises an effective immunizing amount of the recombinant infectious bovine rhinotracheitis virus designated S-IBR-052 and a suitable carrier. The present invention provides homology vectors, methods of immunization and a method of distinguishing an animal vaccinated with the vaccines of the present invention from an animal infected with a naturally-occurring infectious bovine rhinotracheitis virus.

Abstract: This invention provides a recombinant swinepox virus comprising a foreign DNA sequence which is (a) inserted into the swinepox virus genomic DNA, wherein the foreign DNA sequence is inserted within a region of the genome which corresponds to the 2.0 kb HindIII to BglII subfragment located within the HindIII M fragment of the swinepox virus genome and (b) is expressed in a swinepox virus infected host cell. The invention further provides homology vectors, vaccines and methods of immunization.

Abstract: This invention provides a recombinant swinepox virus comprising a foreign DNA sequence inserted into the swinepox virus genomic DNA, wherein the foreign DNA sequence is inserted within a HindIII M fragment of the swinepox virus genomic DNA and is capable of being expressed in a swinepox virus infected host cell. The invention further provides homology vectors, vaccines and methods of immunization.

Abstract: This invention provides a recombinant swinepox virus comprising a foreign DNA inserted into a swinepox virus genomic DNA, wherein the foreign DNA is inserted into an EcoRI site within the approximately 3.2 Kb subfragment of the HindIII K fragment of the swinepox virus genomic DNA and is capable of being expressed in a swinepox virus infected host cell. The invention further provides a recombinant swinepox virus designated S-SPV-120, S-SPV-121, S-SPV-122, S-SPV-127, and S-SPV-128. The invention further provides vaccines and methods of immunization of the recombinant swinepox virus.

Abstract: The present invention provides a hybrid, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the hybrid, nonprimate herpesvirus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus and at least one foreign DNA sequence. Also provided is an attenuated, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the attenuated, nonprimate herpesvirus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus, from which at least a portion of a repeat sequence has been deleted. Also provided are vaccines comprising the viruses of the invention and methods of immunizing animals against various disease.

Abstract: The present invention relates to a recombinant swinepox virus capable of replication comprising foreign DNA inserted into a site in the swinepox viral DNA which is not essential for replication of the swinepox virus.

Abstract: The present invention provides a hybrid, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the hybrid, nonprimate herpesvirus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus and at least one foreign DNA sequence. Also provided is an attenuated, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the attenuated, nonprimate herpesvirus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus, from which at least a portion of a repeat sequence has been deleted. Also provided are vaccines comprising the viruses of the invention and methods of immunizing animals against various disease.

Abstract: This invention provides a recombinant swinepox virus comprising a foreign DNA sequence inserted into the swinepox virus genomic DNA, wherein the foreign DNA sequence is inserted within a HindIII N fragment of the swinepox virus genomic DNA and is capable of being expressed in a swinepox virus infected host cell. The invention further provides homology vectors, vaccines and methods of immunization.

Abstract: This invention provides a recombinant fowlpox virus comprising a foreign DNA sequence inserted into the fowlpox virus genomic DNA, wherein the foreign DNA sequence is inserted within a 4.2 kB EcoRI fragment of the fowlpox virus genomic DNA and is capable of being expressed in a fowlpox virus infected host cell. The invention further provides homology vectors, vaccines and methods of immunization.

Abstract: This invention provides a recombinant herpesvirus of turkeys comprising a herpesvirus of turkeys viral genome which contains a foreign DNA sequence inserted within the EcoR1 #9 fragment of the herpesvirus of turkeys viral genome, and the foreign DNA sequence is capable of being expressed in a host cell infected with the herpesvirus of turkeys.This invention provides a recombinant herpesvirus of turkeys-Marek's disease virus chimera comprising a herpesvirus of turkeys unique long viral genome region and a Marek's disease virus unique short region.Lastly, this invention provides homology vectors for producing a recombinant herpesvirus of turkeys, host cells, and vaccines and methods for immunization.

Abstract: The present invention provides a recombinant herpesvirus of turkeys designated S-HVT-050 (ATCC Accession No. VR 2400). A vaccine is provided which comprises an effective immunizing amount of S-HVT-050 and a suitable carrier. A method of immunizing a fowl against disease caused by Marek's disease virus and Newcastle disease virus is also provided which comprises administering to the fowl an effective immunizing dose of the vaccine of the present invention.

Abstract: The present invention relates to a recombinant herpesvirus of turkeys comprises foreign DNA inserted into a site in the herpesvirus of turkeys genome which is not essential for replication of the herpesvirus of turkeys. The invention further relates to homology vectors which produce recombinant herpesvirus of turkeys by inserting foreign DNA into herpesvirus of turkeys genome. Genetically-engineered virus S-FPV-062 is described in the Materials and Methods section which follows. One advantage of recombinant HVT as live vaccines is that they may be engineered to express only a limited number of antigens that are needed to confer protective immunity to the corresponding pathogens. Consequently, host animals vaccinated with the recombinant HVT can be distinguished from those which have been infected with the wild type virus by the absence of antigens that are normally present in the wild type virus.

Abstract: This invention provides a recombinant fowlpox virus comprising a foreign DNA sequence inserted into the fowlpox virus genomic DNA, wherein the foreign DNA sequence is inserted within a 2.8 kB EcoRI fragment of the fowlpox virus genomic DNA and is capable of being expressed in a fowlpox virus infected host cell. The invention further provides homology vectors, vaccines and methods of immunization.

Abstract: The present invention provides recombinant infectious bovine rhinotracheitis (IBR) viruses useful in vaccines to protect bovines from diseases particular to them, including infectious bovine rhinotracheitis and bovine respiratory disease complex. The present invention further provides methods for distinguishing an animal vaccinated with a vaccine of the present invention from an animal infected with a naturally-occurring IBR virus. The present invention also provides isolated DNA encoding the gpE glycoprotein, the gpG glycoprotein, and US2 genes of an IBR virus. The present invention further provides homology vectors for producing recombinant IBR viruses.

Abstract: The present invention relates to a recombinant swinepox virus capable of replication comprising foreign DNA inserted into a site in the swinepox viral DNA which is not essential for replication of the swinepox virus. The invention further relates to homology vectors which produce recombinant swinepox viruses by inserting foreign DNA into swinepox viral DNA.

Abstract: The present invention provides a recombinant herpesvirus of turkeys designated S-HVT-050 (ATCC Accession No. VR 2400). A vaccine is provided which comprises an effective immunizing amount of S-HVT-050 and a suitable carrier. A method of immunizing a fowl against disease caused by Marek's disease virus and Newcastle disease virus is also provided which comprises administering to the fowl an effective immunizing dose of the vaccine of the present invention.

Abstract: The present invention provides a hybrid, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the hybrid, nonprimate herpesvirus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus and at least one foreign DNA sequence. Also provided is an attenuated, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the attenuated, nonprimate herpes-virus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus, from which at least a portion of a repeat sequence has been deleted. Also provided are vaccines comprising the viruses of the invention and methods of immunizing animals against various disease.

Abstract: The present invention provides a virus comprising a DNA sequence essential for replication of a human cytomegalovirus and at least one foreign DNA sequence adapted for expression in a host. The foreign DNA sequence may encode a human immunodeficiency virus anti-sense mRNA sequence or an antigenic polypeptide, e.g., a malarial surface antigen. Also provided are therapeutic compositions and vaccines which comprise the novel viruses of the present invention.