Difference Between Vaccination and Immunization

Several diseases are discovered every day, and it is becoming difficult to even survive with a healthy body due to all the injections and viruses.


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To fight these diseases and viruses, doctors work with all their strength to invent new medicines, but in some cases, the virus or disease is so dangerous that it may require vaccinations rather than medicines.

These vaccinations can be directly injected or taken directly (orally) in depends on the type of virus or the vaccinations.

Now when these enter the body, it makes the immune system strong to fight the infection or virus in the body. Now vaccination is sometimes gets confused with the word immunization as both of them are related to making the strong body fight with the illness.

Vaccination vs Immunization

The difference between vaccination and immunization is that both of them make the body strong in a different manner. Vaccinations are the dose of medicine of microbes injected or taken in the body, while immunization is the after the process of vaccination when it starts working in the body. The complete resistance from any disease is not guaranteed by any vaccination, whereas the immunization completes when the body fully recovered from the body. Immunization is the process that cannot be done by any of the administrative measures, whereas the measures taken for vaccinations are orally or injected. Other differences between vaccination and immunization are mentioned below.

Vaccination vs Immunization

Vaccination is the process of taking the vaccine in the body. Vaccination is the process of making the microbes injected in the body, except injected microbes can also be taken orally.

It is required for major and dangerous diseases and infections that are lethal for humans. It does not guarantee full recovery from the disease. It might not work for some, while it may do for others.

Immunization is the process of making the immune system of people strong by taking vaccines. Any person needs to have the immune system strong as to recover from any infection or disease.

Unless it is next to impossible for him/her to completely recover, and hence, sometimes people die due to weaker immune systems. It is not always guaranteed how it can be developed, but there are different successful measures for it.

Comparison Table

Parameters of ComparisonVaccinationImmunization
ProcessWhen microbes are injectedStarts after the injection of microbes in complete
How it is doneInjected or taken orallyNot in any administrative way
Disease preventionParticular microbes are injected for this.After body starts reacting with the microbes.
DevelopmentBy doctors and scientistsBy vaccine.
Type of disease.Not for small and common issuesIt is require for every disease

What is Vaccination? 

Vaccination is very important to make sure the disease or the infection is not spread among the people.

It is taken to prevent the spreading of certain types of diseases, and there is a chance of them coming back if the vaccination is not provided, and hence the person is capable of being a host of that disease.

In some cases, they are given to the children so that there should be zero chances of being infected. But there can be several vaccinations that might not be suitable for the children, and hence they should not be given them.

When the vaccinations are injected into people, there might be a few minor side effects, for example, fever, body pain, headache, dizziness, etc., but all of them do not remain for more than 3 or 4 days.

But in general, there is no dangerous side effect of vaccinations. And as rumors say, it might cause the disease it is made to prevent, which is completely false.

What is Immunization? 

It is the process of making the immune system strong by exposing the body to the vaccine, which helps it in developing resistance to the disease.

Immunization is not guaranteed by any particular vaccination, but few vaccinations have more than a 70 % success rate in making the body immune from the disease. Few diseases that have vaccinations are coronavirus, smallpox, tetanus, etc.

Process of Immunization:

  1. It starts by taking the vaccination in the body, which results in making it resistant to infections or diseases.
  2. The vaccine starts working, and the body develops immunity against disease.
  3. Few vaccinations have been proved to save several lives that have resulted in decreasing the mortality rate.

Immunization is required by every individual to keep their body healthy and not be a carrier of any kind of disease. There are side effects of immunization as well but only in starting 3 or 4 days, and side effects are the same as of vaccinations.

Differences Between Vaccination and Immunization

  1. Both of them can be easily differentiated based on their process, meaning, in the case of vaccination, the process is of injecting or taking the microbes in the body, whereas immunization is the later process that starts after the injection is completed and the microbe’s starts reacting in the body.
  2. Vaccination is the process that can be completed in two ways, by injecting directly into the body or by taking microbes orally, whereas immunization is a process that does not take place in any administrative way.
  3. Both of them are healthy or required by the body to prevent the body from a certain infection or disease. The vaccination is given to the people, whereas immunization is the process of making the immune system of a person strong to resist a certain condition, and for this, the vaccination is provided.
  4. Both of them are developed by doctors and scientists, directly and indirectly. Vaccination is directly developed by doctors along with other medical staff, while immunizations are developed indirectly by the doctors as it is the result of vaccines only.
  5. Both of them are required for the diseases, but vaccination is the process only required for major diseases and infections. It is not taken for small diseases, whereas the immune needs to be strong for every type of disease.
Difference Between Vaccination and Immunization


  1. https://www.tandfonline.com/doi/abs/10.1080/10810730500228847
  2. https://www.taylorfrancis.com/chapters/edit/10.4324/9780203791950-8/value-vaccination-david-bloom-david-canning-mark-weston
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