variants of influenza a/ussr/90/77 ( h1n1 ) virus selected with monoclonal antibody hc 142 ( res 142-1 and res 142-2 ) were resistant to this antibody in a virus-neutralization ( vn ) test , but were inhibited in a haemagglutination-inhibition ( hi ) test .
C0003250
monoclonal
C0003241
antibody