Patent ID: 11969466
Assignee: THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY, DEPARTMENT OF HEALTH AND HUMAN SERVICES
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 6:
7. The method of claim 1, wherein the HA protein domain comprises a first amino acid sequence from the stem region of an HA protein and a second amino acid sequence from the stem region of an HA protein, the first and second amino acid sequences being covalently linked by the first linker sequence,
wherein the first amino acid sequence comprises at least 20 contiguous amino acid residues from the amino acid sequence upstream of the amino-terminal end of the head region sequence, and
wherein the second amino acid sequence comprises at least 20 contiguous amino acid residues from the amino acid sequence downstream of the carboxyl-terminal end of the head region sequence.