Patent ID: 7838012

Claim:
A method of immunizing a mammal comprising administering to said mammal an immunogenic amount of an amino acid sequence selected from the group consisting of SEQ ID NO: 2, amino acids 23 to 550 of SEQ ID NO:2, 143 to 550 of SEQ ID NO:2, 219 to 550 of SEQ ID NO:2, 332 to 550 of SEQ ID NO:2, 420 to 550 of SEQ ID NO:2, 546 to 933 of SEQ ID NO:2, 332 to 425 of SEQ ID NO: 2, 23 to 424 of SEQ ID NO:2, 23 to 308 of SEQ ID NO:2, 40 to 559 of SEQ ID NO:2 and 221 to 550 of SEQ ID NO:2.