Feline vaccines against avian influenza
View Patent ↗The present invention encompasses influenza vaccines, in particular avian influenza vaccines. The vaccine may be a recombinant poxvirus vaccine or an inactivated vaccine. The invention also encompasses recombinant poxvirus vectors encoding and expressing avian influenza antigens, epitopes or immunogens which can be used to protect animals, in particular felids, against avian influenza.
1. An immunological composition comprising an avipox expression vector, wherein said expression vector comprises a polynucleotide encoding an influenza antigen comprising a polypeptide having the amino acid sequence of, SEQ ID NO:17, and wherein the composition comprises in an effective amount of the avipoxvirus vector expressing the influenza virus antigen set forth in SEQ ID NO: 7 for inducing an immune response against H5 avian influenza virus infection.
2. The immunological composition of claim 1 , wherein the composition further comprises one or more of a pharmaceutically or veterinarily acceptable carrier, excipient, vehicle or adjuvant.
3. The immunological composition of claim 1 , wherein the avipox-expression vector is an attenuated avipox expression vector.
4. The immunological composition of any one of claims 1 or 2 , wherein the avipox expression vector is a fowlpox viral vector or a canarypox viral vector.
5. The immunological composition of claim 4 , wherein the expression vector is a canarypox viral vector.
6. The immunological composition of claim 4 , wherein the fowlpox viral vector comprises a polynucleotide having the sequence as set forth in SEQ ID NO:14.
7. The immunological composition of claim 5 , wherein the canarypox viral vector comprises a polynucleotide having the sequence as set forth in SEQ ID NO:15, SEQ ID NO:18, or SEQ ID:22.
8. The immunological composition of claim 1 , wherein the composition is capable of inducing a protective immune response against H5 avian influenza virus infection.
9. The composition of claim 7 , wherein the polynucleotide comprises the DNA sequence of SEQ ID NO:15.
10. The composition of claim 7 , wherein the polynucleotide comprises the DNA sequence of SEQ ID NO:22.
11. The composition of claim 7 , wherein the polynucleotide comprising the DNA sequence of SEQ ID NO:18.
12. The composition of claim 1 , wherein the composition can be administered to an animal by a method selected from the group consisting of oral, intramuscular, and subcutaneous delivery.
13. The composition of claim 1 , wherein an effective amount of the composition can be administered by a needleless apparatus to animals to induce a protective immune response against H5 avian influenza.