a narrowly strain-specific population of antibodies ( ss '' '' hk ) was obtained as the residual antibody in antiserum to a/hong kong/1/68 ha after absorption with the closely related a/england/42/72 virus , whilst a contrasting broadly cross-reactive population ( cr'hk ) was obtained by absorption of the anti-a/hong kong/1/68 ha serum with the more distantly related strain a/victoria/3/75 and eluting the cross-reactive antibodies from the absorbing virus .
C0020960
antiseru
C0003241
antibodie