US Patent 11773156 Anti-hemagglutinin antibodies and methods of use thereof

Provided herein are monoclonal antibodies, or antigen-binding fragments thereof, that bind to the influenza B hemagglutinin (HA) protein, pharmaceutical compositions comprising the antibodies and methods of use. The antibodies are useful for inhibiting or neutralizing influenza B virus activity, thus providing a means of treating or preventing influenza infection in humans. Also provided is the use of one or more antibodies that bind to the influenza B HA for preventing viral attachment and/or entry into host cells. The antibodies may be used prophylactically or therapeutically and may be used alone or in combination with one or more other anti-viral agents or vaccines.