Passive immunity

An immune response (to a pathogen) that results from injecting another organism’s antibodies into the organism that is being challenged by the pathogen.


Disease resistance in a person or animal due to the injection of antibodies from another person or animal.


Immunity which is acquired by a baby in the uterus or by a person through an injection with an antitoxin.


Type of acquired immunity in which antibodies against a particular disease or against several diseases are transmitted naturally, through the placenta to an unborn child or through colostrum to a nursing infant; or artificially, through the administration (usually by injection) of antiserum. Passive immunity is not permanent.


Temporary immunity conferred by injection or ingestion of prepared material containing antibodies against a specific disease.


Immunity acquired by the introduction of preformed antibodies into an unprotected individual. This can occur through intravenous infusion of immune globulin or, in utero, from antibodies that pass from the mother to the fetus through the placenta. Newborns also may acquire immunity through breastfeeding.


Immunity that is acquired by receiving antibodies from another person’s immune system.


Inducing immunity in an individual by administering antibodies from a source other than their own is referred to as passive immunity. Newborn infants naturally possess passive immunity acquired from their mothers.


Immunity established by administering serum from an individual, sometimes an animal, who has recuperated from the disease and has generated abundant antibodies circulating in their bloodstream. These antibodies are employed to provide the patient with temporary protection, albeit for only a few weeks. This protection can serve as a short-term measure until more enduring active immunity is developed.


A type of immunity that arises without the body’s direct involvement.


 


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