Passive Immunity Definition

noun
Immunity (to a disease) acquired by the injection of antibodies from an animal or person who has acquired active immunity.
Webster's New World
Temporary immunity acquired by a child from antibodies transferred from the mother, either while the child is in the womb or when the child drinks the mother's milk.
Webster's New World

Other Word Forms of Passive Immunity

Noun

Singular:
passive immunity
Plural:
passive immunities

Passive Immunity Sentence Examples

  • 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.

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

  • The objective is to confer some passive immunity to the agent that causes PMWS at the pig's most susceptible age.

  • It must be administered within 96 hours of exposure to chickenpox, and it results in a passive immunity against the disease for about three months.

  • This passive immunity fades over time and is less effective in children of immunized mothers than in children of mothers who had the measles.

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