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Vaccine
Pronunciation
Definition 1
A substance or group of substances meant to cause the immune system to respond to a tumor or to microorganisms, such as bacteria or viruses. A vaccine can help the body recognize and destroy cancer cells or microorganisms. (NCI Dictionary)
Definition 2
Preparations containing substances with antigenic properties administered to activate the immune system, thereby inducing an immune response. Vaccines range from inactivated or attenuated microorganisms (bacteria and viruses), enhanced autologous tumor cells, tumor antigens or epitopes that are used to elicit host immune responses. Vaccines are used for the prevention, amelioration, or treatment of infectious diseases and cancer. (NCI Thesaurus)
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Source of information regarding the subject's vaccination status.
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