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Difference between the natural and artificial active response by the immunology system.

A human body’s immunity can prevent the body from infections by destroying pathogens and foreign materials.

In the human body, the first defense against the pathogen is through the barriers like mucus layer, saliva, and skin known as innate immunity.

The second defense line is through phagocytes that are produced by innate immunity.

And the third defense line against infections is adaptive immunity.

However, the active and passive immunities are the adaptive type of immunities.

The primary difference between the active and passive immunity include:

Active immunity takes place when our own immune system is responsible for protecting the body from pathogens.

Passive immunity takes place when the body is protected from a pathogen by immunity acquired from someone else.

Differences between the active and passive immunity

Active Immunity Passive Immunity
This type is permanent and is generally produced by the antibodies in response to direct antigen contact. This type lasts for a few months or weeks that is generally produced by the antibody’s introduction from outside.
There are no side effects of this type of immunity. This may cause reactions
Such immunity doesn’t occur immediately. This type develops immediately.
When the antigens enter the human body several specialized lymphocytes and antibodies are produced. Here antibodies are introduced from the external sources.
This produces immunological memory This doesn’t produce immunological memory


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