Fig. 1From: The generation of hemagglutinin monoclonal antibodies against H9N2 influenza virusPreparation and generation of monoclonal antibodies. AÂ Diagram of the mouse immunization procedure. (B-C) Antibody titer assessment. Serum samples collected 10 days after the third immunization were analyzed to determine the specific antibody titer using both the BÂ indirect ELISA and CÂ hemagglutination inhibition (HI) assayBack to article page