Sentence Examples with the word passive immunity

The second - passive immunity - is produced by the transference of a quantity of the serum of an animal actively immunized to a fresh animal; the term is applied because there is brought into play no active change in the tissues of the second animal.

The methods of active immunity have been practically applied in preventive inoculation against disease; those of passive immunity have given us serum therapeutics.

The facts with regard to passive immunity were thus established and were put to practical application by the introduction of diphtheria antitoxin as a therapeutic agent in 1894.