FIELD: biotechnology.
SUBSTANCE: recombinant influenza hemagglutinin (HA) polypeptide to elicit an immune response to the H5N1 influenza virus containing the amino acid sequence from residues 2-568 of SEQ ID NO: 1 encoding its nucleic acid containing the proposed polypeptide fusion protein and virus-like particle (VLP) to elicit a response to the H5N1 influenza virus, an expression vector containing the nucleic acid, and an isolated cell containing it, a composition and method for eliciting an immune response to the H5N1 influenza virus, and a method for immunizing a subject are proposed. The proposed group of inventions can be used in medicine for immunization against the H5N1 influenza virus.
EFFECT: proposed protein, VLP, and compositions are capable of eliciting an immune response with a wide range of reactivity to the H5N1 influenza virus.
19 cl, 8 dwg, 5 ex
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