passive immunization
Passive immunization means…

Emergency measure used in case of risk of a serious infection. Antibodies against the pathogen are injected into the body but the immune system does not make its own antibodies or memory cells. Vaccines can be administered intramuscularly (i.e. injected into a muscle) or subcutaneously (i.e. injected into the hypodermis) or they may be given orally.


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