Meaning And Types Of Immunisation

Meaning And Types Of Immunisation

In our body there are various cell which are fighting from bacteria and viruses because of this some time our cough and cold will go without taking medicine. And this power of fighting with germs is known as Immunity power. So today we are going to talk about Meaning and Types Of Immunisation.

Meaning And Types Of Immunisation

Nature has given all living beings a capability to fight against diseases.This capability is called immunity power.This capability saves us from many diseases to a certain extent.It varies from person to person.

Meaning of Immunisation

Immunization is the process whereby a person is made immune or resistant to an infectious disease, typically by the administration of a vaccine. Vaccines stimulate the body’s own immune system to protect the person against subsequent infection or disease.

Types of Immunity

Immunity is of two types:

A. Natural Immunity

B. Acquired Immunity

A. Natural Immunity

1. Blood

In our blood there are white blood corpuscles.They oppose microorganisms and form anti toxins in the body.They have the capacity to fight germs.When germs of any disease enter our body these WBCs put up a fight.If they are strong we are safe but if the germs are stronger then we catch the disease.

2. Mother’s milk

Mother’s milk is a gift of God to the child.After delivery there is a yellowish thick secretion from mother’s breast.It is called colostrum.It is a protein substance with the protective quality.It provides immunity to babies.It has been seen that babies did not get their mother’s milk in the early days of their lives were more susceptible to infections.Another important thing is that the milk goes directly in the baby’s body from mother’s body.There is no contact with air.So no chances of contamination are there.

3. Skin

Skin also provides protection as it covers our internal organs and doesn’t allow germs to enter our body.

4. Nasal hair

Hair present in the nose block the germs from the air to enter our body.

5. Epithelial layer

Our whole body is covered with epithelial layer which protects us from the germs as it has mucus cells.

B. Acquired Immunity

This is achieved in two ways:

1. By inoculation

2. By falling ill once

1. By inoculation

Dead germs of a disease are injected in the patient’s body.The body immediately produces antibodies.The antibodies provide immunity for that disease.Immunity for typhoid, diphtheria, TB, and measles is achieved with this way.

2. By falling ill once

If a person contacts a disease, then antibodies of that particular disease are produced in the body, so chances of getting the same disease again are very low, e.g., chickenpox.

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