Influenza virus vaccine, recombinant is used to prevent infection caused by the influenza viruses in adults 18 to 49 years of age. The vaccine works by causing your body to produce its own protection (antibodies) against the disease. It is also known as a “flu shot”.
Flublok is trivalent recombinant vaccine used for seasonal influenza. The drug contains recombinant hemagglutinin (HA) proteins of the three influenza strains virus. The proteins act as antigens that induce a humoral immune response. The Recombinant influenza vaccine proteins represent influenza virus A and B. Flublok is a clear, sterile, colorless solution that is administered for active immunization against influenza virus causing diseases.