What do you mean by vaccination?

Vaccination is the administration of a vaccine to help the immune system develop protection from disease.

  • Vaccines contain a small, harmless piece of the virus or bacteria that causes the disease.
  • This piece is called an antigen. When a vaccine is given, the immune system recognizes the antigen as foreign and develops immunity to it.
  • This process helps to protect the individual from future infection or disease caused by the actual virus or bacteria.

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