State the meaning of immunization of class 9th
Answers
Immunization is a process in which an organism is made immune to fight against the disease causing pathogen. This is done by administration of vaccines. Vaccines are drugs or medicines, which contains a biological agent which mimic the one that resembles a disease causing pathogen, present inside the body
Explanation:
Immunization is the process whereby a person is made immune or resistant to an infectious disease, typically by the administration of a vaccine.
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