Active immunity can be induced by the administration of vaccines. Vaccines contain weakened or inactivated parts of a particular organism (antigen) that triggers the immune system to recognize and remember this antigen as a threat. When the immune system encounters these antigens again, it responds more rapidly and effectively to eliminate them, thus providing immunity against the disease caused by these antigens. This is the principle behind vaccination.

Here are the steps:

1. Administration of the vaccine: The vaccine, which contains the antigen, is administered into the body. This can be done through various methods such as injection, oral drops, or nasal spray.

2. Recognition of the antigen: The immune system recognizes the antigen in the vaccine as a foreign substance and mounts an immune response against it.

3. Production of antibodies: The immune system produces specific antibodies that can bind

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Active immunity can be induced by the administration of vaccines. Vaccines contain weakened or inactivated parts of a particular organism (antigen) that triggers the immune system to recognize and remember this antigen as a threat. When the immune system encounters these antigens again, it responds more rapidly and effectively to eliminate them, thus providing immunity against the disease caused by these antigens. This is the principle behind vaccination.

Here are the steps:

1. Administration of the vaccine: The vaccine, which contains the antigen, is administered into the body. This can be done through various methods such as injection, oral drops, or nasal spray.

2. Recognition of the antigen: The immune system recognizes the antigen in the vaccine as a foreign substance and mounts an immune response against it.

3. Production of antibodies: The immune system produces specific antibodies that can bind

Knowee AI · Accepted Answer

Active immunity can be induced by the administration of vaccines. Vaccines contain weakened or inactivated parts of a particular organism (antigen) that triggers the immune system to recognize and remember this antigen as a threat. When the immune system encounters these antigens again, it responds more rapidly and effectively to eliminate them, thus providing immunity against the disease caused by these antigens. This is the principle behind vaccination.

Here are the steps:

1. Administration of the vaccine: The vaccine, which contains the antigen, is administered into the body. This can be done through various methods such as injection, oral drops, or nasal spray.

2. Recognition of the antigen: The immune system recognizes the antigen in the vaccine as a foreign substance and mounts an immune response against it.

3. Production of antibodies: The immune system produces specific antibodies that can bind

Active immunity can be induced by the administration of

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