Difference between vaccination and immunisation

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Vaccination	Immunization
Definition	Vaccination is the process of introducing the body to a weakened form of the virus.	Immunization is the process of the body building up natural defences against the bacteria.
Administered through	Injection or drops	No need for administration
Process	Vaccine exists outside the body and is later introduced to the body	Immunization is the process that happens within the body after the vaccine is introduced to the body.
Examples	Small pox vaccine, measles vaccine, H1N1 vaccine.	Body building immunity to polio, eradication of small pox