What is immunisation?


It is the capacity of the body to produce an immune response either naturally, or through vaccines. Such approaches develop immunity or resistance to a specific illness.

Immunisation can be defined as the process by which a person is made resistant to a particular disease by the administration of a vaccine.


The basic principles of immunization is that the body starts to produce antibodies against it upon administration of the vaccine so that the person is safe from disease. Body revives the development of infectious agents and memory cells that can develop antibodies immediately upon further exposure to the infectious agents. Immunisation can be judged after the vaccination is done. Immunisation and vaccination have a difference among themselves.

Process of immunisation

  • The process begins when a person is exposed to the vaccine and their bodies begin to develop resistance to the disease.
  • The body builds up immunity through this vaccine for the disease rabies.
  • This method has proven to be effective in preventing a number of infectious diseases and has significantly reduced mortality rates.
  • Tetanus, smallpox, measles, and other diseases have vaccines.

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