the antigenic activity of the tissue culture smallpox vaccine was superior to that of dermal vaccine used in the same dose : the geometric mean neutralizing antibody titre after vaccination with the tissue and dermal preparations was 1 : 256 and 1 : 158 , respectively , and the antibody rise was 4.5- and 2.5-fold .
C0475463
neutralizing antibody
C0003241
antibody